APA استشهاد

Roth, C. (1960). The treasuray of sure fire selling. Prentice hall.

استشهاد بنمط شيكاغو

Roth, Charles.B. The Treasuray of Sure Fire Selling. New Jersey: Prentice hall, 1960.

MLA استشهاد

Roth, Charles.B. The Treasuray of Sure Fire Selling. Prentice hall, 1960.