Παραπομπή σε μορφή APA (7η εκδ.)

HOWARD ROBERT. (1993). LEARNING IMPERATIVE: MANAGING PEOPLE FOR CONTINUOUS INNOVATION. HARVARD BUSINESS REVIEW.

Παραπομπή σε μορφή Chicago (17η εκδ.)

HOWARD ROBERT. LEARNING IMPERATIVE: MANAGING PEOPLE FOR CONTINUOUS INNOVATION. USA: HARVARD BUSINESS REVIEW, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

HOWARD ROBERT. LEARNING IMPERATIVE: MANAGING PEOPLE FOR CONTINUOUS INNOVATION. HARVARD BUSINESS REVIEW, 1993.