SCHILLER, B. R., TANSEY, M. M., & ZIEGLER, L. F. (1989). Study guide for the economy today.-- Ed.4. Random House.
Chicago-čujuhus (17. p.)SCHILLER, Bradley R., Michael M. TANSEY, juo Lawrence F. ZIEGLER. Study Guide for the Economy Today.-- Ed.4. New York: Random House, 1989.
MLA-čujuhus (9. p.)SCHILLER, Bradley R., et al. Study Guide for the Economy Today.-- Ed.4. Random House, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.