Dyfyniad APA

Patna University. Dept. of Geography. Geographical Society. (1987). Geographical perspective. Geographical Society, Dept. of Geography, Patna University.

Dyfyniad Arddull Chicago

Patna University. Dept. of Geography. Geographical Society. Geographical Perspective. Patna, India: Geographical Society, Dept. of Geography, Patna University, 1987.

Dyfyniad MLA

Patna University. Dept. of Geography. Geographical Society. Geographical Perspective. Geographical Society, Dept. of Geography, Patna University, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.