Dyfyniad APA

Kotpal, R. L. (1999). The Birds: A Text Book for University Students (4th ed.). Rastogi Publications.

Dyfyniad Arddull Chicago

Kotpal, R. L. The Birds: A Text Book for University Students. 4th ed. Meerut, India: Rastogi Publications, 1999.

Dyfyniad MLA

Kotpal, R. L. The Birds: A Text Book for University Students. 4th ed. Rastogi Publications, 1999.

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