APA (7e ed.) Bronvermelding

SCHILLER, B. R., TANSEY, M. M., & ZIEGLER, L. F. (1989). Study guide for the economy today.-- Ed.4. Random House.

Chicago (17e ed.) Bronvermelding

SCHILLER, Bradley R., Michael M. TANSEY, en Lawrence F. ZIEGLER. Study Guide for the Economy Today.-- Ed.4. New York: Random House, 1989.

MLA (9e ed.) Bronvermelding

SCHILLER, Bradley R., et al. Study Guide for the Economy Today.-- Ed.4. Random House, 1989.