(1947). Information Please Almanac: Atlas and Year Book. Dan Golenpaul associates.
Chicago Style aipamenaInformation Please Almanac: Atlas and Year Book. New York: Dan Golenpaul associates, 1947.
MLA aipamenaInformation Please Almanac: Atlas and Year Book. Dan Golenpaul associates, 1947.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.