Gaya APA

Langbehn, G, J. (1974). Fundamental concepts of mathematics / Geoge J. Langbehn, Thomas G. Lathrop, Car J. Martini . : Charles E. Marril Publishing.

Gaya MLA

Langbehn, George, J. "Fundamental concepts of mathematics / Geoge J. Langbehn, Thomas G. Lathrop, Car J. Martini". : Charles E. Marril Publishing, 1974. Pendidikan Agama Islam.