APA-referens (7:e uppl.)

TULLOCK, G., & MCKENZIE, R. B. (1985). The new world of economics: Explorations into the human experience. Richard D. Irwin.

Chicago-referens (17:e uppl.)

TULLOCK, Gordon, och Richard B. MCKENZIE. The New World of Economics: Explorations into the Human Experience. Homewood: Richard D. Irwin, 1985.

MLA-referens (9:e uppl.)

TULLOCK, Gordon, och Richard B. MCKENZIE. The New World of Economics: Explorations into the Human Experience. Richard D. Irwin, 1985.