APA aipamena

HOOLEY, G. J. (1993). Competitive Positioning. bPrentice Hall.

Chicago Style aipamena

HOOLEY, Graham J. Competitive Positioning. bPrentice Hall, 1993.

MLA aipamena

HOOLEY, Graham J. Competitive Positioning. bPrentice Hall, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.