Παραπομπή σε μορφή APA (7η εκδ.)

Research and Educational Association & Keller, W. (1995). The accounting problem solver. Research and Educational Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Research and Educational Association και W. Keller. The Accounting Problem Solver. New Jersey: Research and Educational Association, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Research and Educational Association και W. Keller. The Accounting Problem Solver. Research and Educational Association, 1995.