Παραπομπή APA

Engel, A. (1997). Exploring mathematics with your computer. Mathematical Association of America.

Παραπομπή Chicago Style

Engel, Arthur. Exploring Mathematics with Your Computer. [Washington, D.C.]: Mathematical Association of America, 1997.

Παραπομπή MLA

Engel, Arthur. Exploring Mathematics with Your Computer. Mathematical Association of America, 1997.