Παραπομπή APA

Holloway, R. J., & Hancock, R. S. (1968). Marketing in a changing environment. John Wiley&sons.

Παραπομπή Chicago Style

Holloway, Robert J., και Robert S. Hancock. Marketing in a Changing Environment. London: John Wiley&sons, 1968.

Παραπομπή MLA

Holloway, Robert J., και Robert S. Hancock. Marketing in a Changing Environment. John Wiley&sons, 1968.