Dyfyniad APA

McEwan, J. (1956). Advertising as a service to society. Macdonald &evans limited.

Dyfyniad Arddull Chicago

McEwan, John. Advertising as a Service to Society. London: Macdonald &evans limited, 1956.

Dyfyniad MLA

McEwan, John. Advertising as a Service to Society. Macdonald &evans limited, 1956.

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