Gaya APA

Baumol, W, J., Blinder, A, S. (1986). Economics : principles and policy (Ed. 3). San Diego: Harcourt Brace Jovanovich.

Gaya MLA

Baumol, William, J.., Blinder, Alan, S.. "Economics : principles and policy". Ed. 3 San Diego: Harcourt Brace Jovanovich, 1986. Text.