APA

International Conference and Workshop on Global Natural Resource Monitoring and Assessments: Preparing for the 21st Century, Lund H. G. & Preto G. (1990). Global natural resource monitoring and assessments: preparing for the 21st century. Bethesda, Maryland, United States: American Society for Photogrammetry and Remote Sensing.

Chicago

International Conference and Workshop on Global Natural Resource Monitoring and Assessments: Preparing for the 21st Century, Lund H Gyde and Preto Giovanni. 1990. Global natural resource monitoring and assessments: preparing for the 21st century. Bethesda, Maryland, United States: American Society for Photogrammetry and Remote Sensing.

Harvard

International Conference and Workshop on Global Natural Resource Monitoring and Assessments: Preparing for the 21st Century, Lund H. G. and Preto G. (1990). Global natural resource monitoring and assessments: preparing for the 21st century. Bethesda, Maryland, United States: American Society for Photogrammetry and Remote Sensing.

MLA

International Conference and Workshop on Global Natural Resource Monitoring and Assessments: Preparing for the 21st Century, Lund H Gyde and Preto Giovanni. Global natural resource monitoring and assessments: preparing for the 21st century. Bethesda, Maryland, United States: American Society for Photogrammetry and Remote Sensing. 1990.