Nag, P. (1984). Census mapping surveying. Concept Publishing Company.
Chicagoスタイル(17版)引用形式Nag, Prithivish. Census Mapping Surveying. New Delhi: Concept Publishing Company, 1984.
MLA(9版)引用形式Nag, Prithivish. Census Mapping Surveying. Concept Publishing Company, 1984.
警告: この引用は必ずしも正確ではありません.