Παραπομπή σε μορφή APA (7η εκδ.)

Engel, P. G. (1997). The social organization of innovation: A focus on stakeholder interaction. Royal Tropical Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engel, Paul G.H. The Social Organization of Innovation: A Focus on Stakeholder Interaction. The Netherlands: Royal Tropical Institute, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Engel, Paul G.H. The Social Organization of Innovation: A Focus on Stakeholder Interaction. Royal Tropical Institute, 1997.