APA

Nonnecke I. L., . (1989). Vegetable production. New York, New York: Van Nostrand Reinhold Company.

Chicago

Nonnecke Ib Libner, . 1989. Vegetable production. New York, New York: Van Nostrand Reinhold Company.

Harvard

Nonnecke I. L., . (1989). Vegetable production. New York, New York: Van Nostrand Reinhold Company.

MLA

Nonnecke Ib Libner, . Vegetable production. New York, New York: Van Nostrand Reinhold Company. 1989.