Παραπομπή σε μορφή APA (7η εκδ.)

Engstrom, J. H., & Copley, P. A. (2004). Essentials of accounting for governmental and not-for-profit organizations (7th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engstrom, John H., και Paul A. Copley. Essentials of Accounting for Governmental and Not-for-profit Organizations. 7th ed. Boston: McGraw-Hill, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Engstrom, John H., και Paul A. Copley. Essentials of Accounting for Governmental and Not-for-profit Organizations. 7th ed. McGraw-Hill, 2004.