Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.