Gaya APA

Engstrom, J, H., Copley, P, A. (2002). Essentials of accouting for governmental and not-for-profit organizations . New York: McGraw-Hill.

Gaya MLA

Engstrom, John, H.., Copley, Paul, A.. "Essentials of accouting for governmental and not-for-profit organizations". New York: McGraw-Hill, 2002. Text.