Παραπομπή APA

Fraenkel, A. A., Bar-Hillel, Y., & Levy, A. (1973). Foundations of set theory.-2nded (2d rev. ed.). Noord-Hollandsche U.M..

Παραπομπή Chicago Style

Fraenkel, Abraham Adolf, Yehoshua Bar-Hillel, και Azriel Levy. Foundations of Set Theory.-2nded. 2d rev. ed. Amsterdam: Noord-Hollandsche U.M., 1973.

Παραπομπή MLA

Fraenkel, Abraham Adolf, et al. Foundations of Set Theory.-2nded. 2d rev. ed. Noord-Hollandsche U.M., 1973.