Lua APA (7ú heag.)
Gomez, B., & Jones, J. P. (2010). Research methods in geography: A critical introduction. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)
Gomez, Basil, agus John Paul Jones. Research Methods in Geography: A Critical Introduction. Chichester, West Sussex, U.K: Wiley-Blackwell, 2010.
Lua MLA (9ú heag.)
Gomez, Basil, agus John Paul Jones. Research Methods in Geography: A Critical Introduction. Wiley-Blackwell, 2010.
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