Dyfyniad APA

(1992). Thematic cartography and remote sensing. Concept.

Dyfyniad Arddull Chicago

Thematic Cartography and Remote Sensing. New Delhi: Concept, 1992.

Dyfyniad MLA

Thematic Cartography and Remote Sensing. Concept, 1992.

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