Dyfyniad APA

Sarkar,, A. (1997). Practical geography: A systematic approach. Orient Longman.

Dyfyniad Arddull Chicago

Sarkar,, Ashis. Practical Geography: A Systematic Approach. New Delhi: Orient Longman, 1997.

Dyfyniad MLA

Sarkar,, Ashis. Practical Geography: A Systematic Approach. Orient Longman, 1997.

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