Dyfyniad APA

Holt-Jensen, A. (1980). Geography, its history and concepts: A student's guide. London: Harper & Row.

Dyfyniad Arddull Chicago

Holt-Jensen, Arild. Geography, Its History and Concepts: A Student's Guide. London: Harper & Row, 1980.

Dyfyniad MLA

Holt-Jensen, Arild. Geography, Its History and Concepts: A Student's Guide. London: Harper & Row, 1980.

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