Gaya APA

Gardner, M, B, ;, W, S, ;, W. (1984). Macroeconomics . Boston: Houghton Mifflin Company Boston.

Gaya MLA

Gardner, Martin, Bronfenbrenner, ;, Werner, Sichel, ;, Wayland. "Macroeconomics". Boston: Houghton Mifflin Company Boston, 1984. Text.