Gaya APA

Bradley, G, L. et al (1989). Calculus : for business, economics, and the social and life sciences . New York: McGraw-Hill Pub.Co.,.

Gaya MLA

Bradley, Gerald, L. et al. "Calculus : for business, economics, and the social and life sciences". New York: McGraw-Hill Pub.Co.,, 1989. Text.