Kotler, P., Berger, R., & Bickhoff, N. (2010). The Quintessence of Strategic Management: What You Really Need to Know to Survive in Business. Springer-Verlag Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)Kotler, Philip, Roland Berger, και Nils Bickhoff. The Quintessence of Strategic Management: What You Really Need to Know to Survive in Business. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)Kotler, Philip, et al. The Quintessence of Strategic Management: What You Really Need to Know to Survive in Business. Springer-Verlag Berlin Heidelberg, 2010.
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