Gomez, B. e., & Jones, J. P. e. (2010). Research methods in geography. Wiley-Blackwell.
Chicago Style aipamenaGomez, Basil; ed, and John Paul; ed.by Jones. Research Methods in Geography. Sussex: Wiley-Blackwell, 2010.
MLA aipamenaGomez, Basil; ed, and John Paul; ed.by Jones. Research Methods in Geography. Wiley-Blackwell, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.