APA Style

MCDONALD, M., Dunbar, I. (1995). Market Segmentation : a Step-by-Step Approach to Creating Profittable Market Segments . New York: The Macmillan Press Ltd.

MLA Style

MCDONALD, MALCOLM., Dunbar, Ian. "Market Segmentation : a Step-by-Step Approach to Creating Profittable Market Segments". New York: The Macmillan Press Ltd, 1995. Text.