Easa, P. S. A., & Jayson, E. A. A. (2004). A field guide to animal signs.
シカゴスタイル引用形Easa, P S; Author, , E A; Author Jayson. A Field Guide to Animal Signs. Thrissur, Kerala Forest Research Institute, 2004.
MLA引用形式Easa, P S; Author, , E A; Author Jayson. A Field Guide to Animal Signs. 2004.
警告: この引用は必ずしも正確ではありません.