Kotpal, R. L. (1999). The Birds: A Text Book for University Students (4th ed.). Rastogi Publications.
Chicagoスタイル(17版)引用形式Kotpal, R. L. The Birds: A Text Book for University Students. 4th ed. Meerut, India: Rastogi Publications, 1999.
MLA(9版)引用形式Kotpal, R. L. The Birds: A Text Book for University Students. 4th ed. Rastogi Publications, 1999.
警告: この引用は必ずしも正確ではありません.