Dyfyniad APA

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

Dyfyniad Arddull Chicago

Holloway, Robert J., and Robert S. Hancock. Marketing in a Changing Environment. New York: Wiley, 1968.

Dyfyniad MLA

Holloway, Robert J., and Robert S. Hancock. Marketing in a Changing Environment. Wiley, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.