Παραπομπή APA

Basil Gomas & John Paul Jones. (2010). Research methods in Geography: A critical introduction. Wiley-Blackwell.

Παραπομπή Chicago Style

Basil Gomas και John Paul Jones. Research Methods in Geography: A Critical Introduction. U K: Wiley-Blackwell, 2010.

Παραπομπή MLA

Basil Gomas και John Paul Jones. Research Methods in Geography: A Critical Introduction. Wiley-Blackwell, 2010.