APA (7e ed.) Bronvermelding

Willan, R. L. (1985). A guide to forest seed handling: With special reference to the Tropics. FAO.

Chicago (17e ed.) Bronvermelding

Willan, R. L. A Guide to Forest Seed Handling: With Special Reference to the Tropics. Rome: FAO, 1985.

MLA (9e ed.) Bronvermelding

Willan, R. L. A Guide to Forest Seed Handling: With Special Reference to the Tropics. FAO, 1985.