Grimmet,Richard. (1999). Birds of the Indian Subcontinent: Helm Field Guides. Oxford University.
Chicagoスタイル(17版)引用形式Grimmet,Richard. Birds of the Indian Subcontinent: Helm Field Guides. London: Oxford University, 1999.
MLA(9版)引用形式Grimmet,Richard. Birds of the Indian Subcontinent: Helm Field Guides. Oxford University, 1999.
警告: この引用は必ずしも正確ではありません.