O'Shaughnessy, J. (1995). Competitive marketing : a strategic approach / John O'Shaughnessy: A strategic approach (3rd rev. and enlarged ed.). Routledge.
Chicago Style (17th ed.) CitationO'Shaughnessy, John. Competitive Marketing : A Strategic Approach / John O'Shaughnessy: A Strategic Approach. 3rd rev. and enlarged ed. London: Routledge, 1995.
MLA (9th ed.) CitationO'Shaughnessy, John. Competitive Marketing : A Strategic Approach / John O'Shaughnessy: A Strategic Approach. 3rd rev. and enlarged ed. Routledge, 1995.
Warning: These citations may not always be 100% accurate.