Gaya APA

Baumol, W, J., Blinder, A, S. (1991). Economics : principles and policy. Fivth Edition/ William J. Baumol, Alan S. Blinder (Ed.ke-5). New York: Harcourt.

Gaya MLA

Baumol, William, J.., Blinder, Alan, S.. "Economics : principles and policy. Fivth Edition/ William J. Baumol, Alan S. Blinder". Ed.ke-5 New York: Harcourt, 1991. Textbook.