Gaya APA

Shepherd, R, D, H, M, P, P, D, A., etc., G, H, B, N, J, M, R. (). Marketing Strategy and Competitive Positioning (Ed. 8). UK: Pearson.

Gaya MLA

Shepherd, Robert, D., Hisrich,, Michael, P., Peter,, Dean, A.., etc., Graham, Hooley,, Brigitte, Nicoulaud,, John, M., Rudd,. "Marketing Strategy and Competitive Positioning". Ed. 8 UK: Pearson, . Text.