Dyfyniad APA

Helen, K. (2025). The Media Handbook A Complete Guide to Advertising Media Selection, Planning, Research, and Buying ( 7th Edition ). Library of Congress Cataloging-in-Publication Data.

Dyfyniad Arddull Chicago

Helen, Katz. The Media Handbook A Complete Guide to Advertising Media Selection, Planning, Research, and Buying ( 7th Edition ). Library of Congress Cataloging-in-Publication Data, 2025.

Dyfyniad MLA

Helen, Katz. The Media Handbook A Complete Guide to Advertising Media Selection, Planning, Research, and Buying ( 7th Edition ). Library of Congress Cataloging-in-Publication Data, 2025.

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