Dyfyniad APA

Dent, B. D. (1999). Cartography: Thematic map design. Boston: WCB/McGaw-Hill.

Dyfyniad Arddull Chicago

Dent, Borden D. Cartography: Thematic Map Design. Boston: WCB/McGaw-Hill, 1999.

Dyfyniad MLA

Dent, Borden D. Cartography: Thematic Map Design. Boston: WCB/McGaw-Hill, 1999.

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