APA (7e ed.) Bronvermelding

SCHILLER, B. R., TANSEY, M. M., & ZIEGLER, L. (1989). Study guide for the microeconomy today.-- Ed.4. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

SCHILLER, Bradley R., Michael M. TANSEY, en Lawrence ZIEGLER. Study Guide for the Microeconomy Today.-- Ed.4. New York: McGraw-Hill, 1989.

MLA (9e ed.) Bronvermelding

SCHILLER, Bradley R., et al. Study Guide for the Microeconomy Today.-- Ed.4. McGraw-Hill, 1989.