Gaya APA

Lipsey, R, G., Steiner, P, O. (1981). Economics / Richard G. Lipsey, Peter O. Steiner (Ed.ke-6). New York: Harper n Row Publishers.

Gaya MLA

Lipsey, Richard, G.., Steiner, Peter, O.. "Economics / Richard G. Lipsey, Peter O. Steiner". Ed.ke-6 New York: Harper n Row Publishers, 1981. Textbook.