Gaya APA

M,JR, A. (1987). Macroeconomics : Concept, Analysis, and Applications . United States of America: Wadworth Publising Company, Inc..

Gaya MLA

M,JR, Amos,Orley. "Macroeconomics : Concept, Analysis, and Applications". United States of America: Wadworth Publising Company, Inc., 1987. Text.