Dyfyniad APA

RAY, S. (2014). OUR EARTH: A BOOK OF GEOGRAPHY - 3. FRANK EDUCATIONAL AIDS.

Dyfyniad Arddull Chicago

RAY, SUMITRA. OUR EARTH: A BOOK OF GEOGRAPHY - 3. FRANK EDUCATIONAL AIDS, 2014.

Dyfyniad MLA

RAY, SUMITRA. OUR EARTH: A BOOK OF GEOGRAPHY - 3. FRANK EDUCATIONAL AIDS, 2014.

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