John, F. (2025). Effective Writing Skills for Public Relations (Fourth Edition). Library of Congress Cataloging-in-Publication Data.
Dyfyniad Arddull ChicagoJohn, Foster. Effective Writing Skills for Public Relations (Fourth Edition). Library of Congress Cataloging-in-Publication Data, 2025.
Dyfyniad MLAJohn, Foster. Effective Writing Skills for Public Relations (Fourth Edition). Library of Congress Cataloging-in-Publication Data, 2025.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.