APA aipamena

Posamentier, A. S., & Salkind, C. T. (1996). Challenging problems in algebra. Dover.

Chicago Style aipamena

Posamentier, Alfred S., and Charles T. Salkind. Challenging Problems in Algebra. New York: Dover, 1996.

MLA aipamena

Posamentier, Alfred S., and Charles T. Salkind. Challenging Problems in Algebra. Dover, 1996.