Dyfyniad APA

Trewartha, G. T. (1954). Introduction to climate (Ed. 3.). McGraw Hill books Compny.

Dyfyniad Arddull Chicago

Trewartha, Glenn T. Introduction to Climate. Ed. 3. Tokyo: McGraw Hill books Compny, 1954.

Dyfyniad MLA

Trewartha, Glenn T. Introduction to Climate. Ed. 3. McGraw Hill books Compny, 1954.

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