Dyfyniad APA

GEOGRAPHICA.. (1999). Geographica: The complete illustrated world reference. Periplus.

Dyfyniad Arddull Chicago

GEOGRAPHICA.. Geographica: The Complete Illustrated World Reference. Singapore: Periplus, 1999.

Dyfyniad MLA

GEOGRAPHICA.. Geographica: The Complete Illustrated World Reference. Periplus, 1999.

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