APA

Wet J. M. J. d., Zeven A. C., . (1982). Dictionary of cultivated plants and their regions of diversity : excluding most ornamentals, forest trees and lower plants. Wageningen: Centre for Agricultural Publishing and Documentation.

Chicago

Wet Jan M J de, Zeven Anton C, . 1982. Dictionary of cultivated plants and their regions of diversity : excluding most ornamentals, forest trees and lower plants. Wageningen: Centre for Agricultural Publishing and Documentation.

Harvard

Wet J. M. J. d., Zeven A. C., . (1982). Dictionary of cultivated plants and their regions of diversity : excluding most ornamentals, forest trees and lower plants. Wageningen: Centre for Agricultural Publishing and Documentation.

MLA

Wet Jan M J de, Zeven Anton C, . Dictionary of cultivated plants and their regions of diversity : excluding most ornamentals, forest trees and lower plants. Wageningen: Centre for Agricultural Publishing and Documentation. 1982.