APA
Philip Kotler R. B. N. B., .The Quintessence of Strategic Management: What you really need to know to Survive in Business. United Kingdom: Springer.
Chicago
Philip Kotler Roland Berger Nils Bickhoff, .The Quintessence of Strategic Management: What you really need to know to Survive in Business. United Kingdom: Springer.
Harvard
Philip Kotler R. B. N. B., .The Quintessence of Strategic Management: What you really need to know to Survive in Business. United Kingdom: Springer.
MLA
Philip Kotler Roland Berger Nils Bickhoff, .United Kingdom: Springer. .