APA aipamena

C C Webster & P N Wilson. (1966). Agriculture in the tropics. London.

Chicago Style aipamena

C C Webster and P N Wilson. Agriculture in the Tropics. London, 1966.

MLA aipamena

C C Webster and P N Wilson. Agriculture in the Tropics. London, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.