Παραπομπή APA

Leonhardy, A. (1962). College mathematics. John wiley and sons inc.

Παραπομπή Chicago Style

Leonhardy, Adele. College Mathematics. London: John wiley and sons inc, 1962.

Παραπομπή MLA

Leonhardy, Adele. College Mathematics. John wiley and sons inc, 1962.