APA-Zitierstil (7. Ausg.)

Fehr, H. F., & Phillips, J. M. (1972). Teaching modern mathematics in the elementary school (2.ed.). Addison-Wesley.

Chicago-Zitierstil (17. Ausg.)

Fehr, Howard F., und Jo M. Phillips. Teaching Modern Mathematics in the Elementary School. 2.ed. Reading, Mass: Addison-Wesley, 1972.

MLA-Zitierstil (9. Ausg.)

Fehr, Howard F., und Jo M. Phillips. Teaching Modern Mathematics in the Elementary School. 2.ed. Addison-Wesley, 1972.