Gaya APA

BERGSTROM, T, C., VARIAN, H, R. (2003). Workouts in Intermediate Microeconomics (Sixth Edition). New York: W.W.Norton And Company.

Gaya MLA

BERGSTROM, Theodore, C.., VARIAN, Hal, R.. "Workouts in Intermediate Microeconomics". Sixth Edition New York: W.W.Norton And Company, 2003. Text.