Allen, J. L. (2008). Student atlas of world geography. Dubuque, Iowa: McGraw - Hill.
Chicago Style aipamenaAllen, John L. Student Atlas of World Geography. Dubuque, Iowa: McGraw - Hill, 2008.
MLA aipamenaAllen, John L. Student Atlas of World Geography. Dubuque, Iowa: McGraw - Hill, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.