APA Style

MCDONALD, M., Dunbar, I. (1995). Market Segmentation : A Step-by-step Approach to Creating Profitable Market Segments (1). London: Macmillan Press.

MLA Style

MCDONALD, MALCOLM., Dunbar, Ian. "Market Segmentation : A Step-by-step Approach to Creating Profitable Market Segments". 1 London: Macmillan Press, 1995. Text.