Gaya APA

McCONNELL, C, R. (1972). ECONOMICS:PRINCIPLES,PROBLEMS,AND POLICIES (5th). New York: McGraw-Hill Book Company.

Gaya MLA

McCONNELL, Campbell, R.. "ECONOMICS:PRINCIPLES,PROBLEMS,AND POLICIES". 5th New York: McGraw-Hill Book Company, 1972. Textbook.