APA

Holloway R. J., Hancock R. S., . (1968). Marketing in a changing environment. New York: Wiley.

Chicago

Holloway Robert J, Hancock Robert Spencer, . 1968. Marketing in a changing environment. New York: Wiley.

Harvard

Holloway R. J., Hancock R. S., . (1968). Marketing in a changing environment. New York: Wiley.

MLA

Holloway Robert J, Hancock Robert Spencer, . Marketing in a changing environment. New York: Wiley. 1968.