Agarwal,Arun Ed. (2010). Human geography. Apple Academic Press.
Chicago Style aipamenaAgarwal,Arun Ed. Human Geography. Oakville: Apple Academic Press, 2010.
MLA aipamenaAgarwal,Arun Ed. Human Geography. Apple Academic Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.