Gaya APA

Boyes, W., Melvin, M. (1994). Microeconomics 2nd Ed (2nd ed). United Stated of America: Houghton Mifflin Company.

Gaya MLA

Boyes, William., Melvin, Michael. "Microeconomics 2nd Ed". 2nd ed United Stated of America: Houghton Mifflin Company, 1994. Text.