Gopsill, G. H. (1966). Teaching of Geography. Macmillan.
Chicago Style aipamenaGopsill, G. H. Teaching of Geography. London: Macmillan, 1966.
MLA aipamenaGopsill, G. H. Teaching of Geography. Macmillan, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.