Gaya APA

Baumol, W, J., Blinder, A, S. (1982). Economics : Principle and Policy (Ed.ke-2). USA: Harcourt Brace Custom Publishers.

Gaya MLA

Baumol, William, J.., Blinder, Alan, S. "Economics : Principle and Policy". Ed.ke-2 USA: Harcourt Brace Custom Publishers, 1982. Text.