Dyfyniad APA

Johnson, O. T. (1982). Information Please Almanac: Atlas and Year Book 1983 (37th ed.). Information Please Publishers.

Dyfyniad Arddull Chicago

Johnson, Otto T. Information Please Almanac: Atlas and Year Book 1983. 37th ed. New York: Information Please Publishers, 1982.

Dyfyniad MLA

Johnson, Otto T. Information Please Almanac: Atlas and Year Book 1983. 37th ed. Information Please Publishers, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.