Hazeltine, M. E., & Sollenberger, J. K. (1944). Aniversaries and holidays: A calendar of days and how to observed them (2d ed.). American library association.
Chicago-referens (17:e uppl.)Hazeltine, Mary Emogene, och Judith Katrina Sollenberger. Aniversaries and Holidays: A Calendar of Days and How to Observed Them. 2d ed. Chicago: American library association, 1944.
MLA-referens (9:e uppl.)Hazeltine, Mary Emogene, och Judith Katrina Sollenberger. Aniversaries and Holidays: A Calendar of Days and How to Observed Them. 2d ed. American library association, 1944.
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