Gaya APA

Lumsden, K., Attiyeh, R. (1982). Macroeconomics: A Programmed Book (Fourth edition). USA:: Prentice-Hall, inc.

Gaya MLA

Lumsden, Keith., Attiyeh, Richard. "Macroeconomics: A Programmed Book". Fourth edition USA:: Prentice-Hall, inc, 1982. Text.