APA ציטוט

Heimer, R. T. (1965). The new mathematics for parents. New York: Holt, Rinehart and Winston.

Trích dẫn kiểu Chicago

Heimer, Ralph T. The New Mathematics for Parents. New York: Holt, Rinehart and Winston, 1965.

ציטוט MLA

Heimer, Ralph T. The New Mathematics for Parents. New York: Holt, Rinehart and Winston, 1965.