APA (7e ed.) Bronvermelding
Hurwitz, A. B., Epstein, D. T., & Goddard, A. (1976). More number games: Mathematics made easy through play. Funk and Wagnalls.
Chicago (17e ed.) Bronvermelding
Hurwitz, Abraham B., David T. Epstein, en Arthur Goddard. More Number Games: Mathematics Made Easy Through Play. New York: Funk and Wagnalls, 1976.
MLA (9e ed.) Bronvermelding
Hurwitz, Abraham B., et al. More Number Games: Mathematics Made Easy Through Play. Funk and Wagnalls, 1976.
Let op: Deze citaties zijn niet altijd 100% accuraat.