Dyfyniad APA

Ross, S. (1988). Introducing physical geography and map reading. Longman.

Dyfyniad Arddull Chicago

Ross, Simon. Introducing Physical Geography and Map Reading. London: Longman, 1988.

Dyfyniad MLA

Ross, Simon. Introducing Physical Geography and Map Reading. Longman, 1988.

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