Singh, Y. P. (1973). Key-communicators of agricultural innovations. Satish Book Enterprise.
Chicagoスタイル(17版)引用形式Singh, Yogendra Pal. Key-communicators of Agricultural Innovations. Agra: Satish Book Enterprise, 1973.
MLA(8版)引用形式Singh, Yogendra Pal. Key-communicators of Agricultural Innovations. Satish Book Enterprise, 1973.
警告: この引用は必ずしも正確ではありません.