Dyfyniad APA

(2016). Key Methods in Geography (3rd ed.). Sage.

Dyfyniad Arddull Chicago

Key Methods in Geography. 3rd ed. New Delhi: Sage, 2016.

Dyfyniad MLA

Key Methods in Geography. 3rd ed. Sage, 2016.

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