APA aipamena

G Williamson. (1959). An introduction to animal husbandry in the tropics. London: Longman.

Chicago Style aipamena

G Williamson. An Introduction to Animal Husbandry in the Tropics. London: Longman, 1959.

MLA aipamena

G Williamson. An Introduction to Animal Husbandry in the Tropics. London: Longman, 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.