Παραπομπή σε μορφή APA (7η εκδ.)

Epstein Chris Clarke. (2002). 78Important Questions Every Leader Should Ask And Answer. AMACOM,American Management Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Epstein Chris Clarke. 78Important Questions Every Leader Should Ask And Answer. USA: AMACOM,American Management Association, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Epstein Chris Clarke. 78Important Questions Every Leader Should Ask And Answer. AMACOM,American Management Association, 2002.