APA

Kaal J., Velthuis H. W., Jongeleen F. & Beetsma J. (1992). Traditional bee management as a basis for beekeeping development in the tropics. Bennekom, Netherlands: Netherlands Expertise Centre for Tropical Apicultural Resources.

Chicago

Kaal Jacob, Velthuis H W, Jongeleen Frans and Beetsma Joop. 1992. Traditional bee management as a basis for beekeeping development in the tropics. Bennekom, Netherlands: Netherlands Expertise Centre for Tropical Apicultural Resources.

Harvard

Kaal J., Velthuis H. W., Jongeleen F. and Beetsma J. (1992). Traditional bee management as a basis for beekeeping development in the tropics. Bennekom, Netherlands: Netherlands Expertise Centre for Tropical Apicultural Resources.

MLA

Kaal Jacob, Velthuis H W, Jongeleen Frans and Beetsma Joop. Traditional bee management as a basis for beekeeping development in the tropics. Bennekom, Netherlands: Netherlands Expertise Centre for Tropical Apicultural Resources. 1992.