Παραπομπή APA

Information Please Almanac: Atlas and Year Book 1970. Dan Golenpaul associates.

Παραπομπή Chicago Style

Information Please Almanac: Atlas and Year Book 1970. New York: Dan Golenpaul associates.

Παραπομπή MLA

Information Please Almanac: Atlas and Year Book 1970. Dan Golenpaul associates.