Cumming, J., Hock, C. A., Chasteen, L. G., Flaherty, R. E., & O'Connor, M. C. (1998). Study guide for use with Intermediate accounting, sixth edition (6th ed.). Irwin McGraw Hill.

Cumming, John, Clayton A. Hock, Lanny G. Chasteen, Richard E. Flaherty, and Melvin C. O'Connor. Study Guide for Use with Intermediate Accounting, Sixth Edition. 6th ed. Boston: Irwin McGraw Hill, 1998.

Cumming, John, et al. Study Guide for Use with Intermediate Accounting, Sixth Edition. 6th ed. Irwin McGraw Hill, 1998.