Dyfyniad APA

P. Fraser, S. (2025). Practice of Public Relations (3th Edition). British Library Cataloguing-in-Publication Data.

Dyfyniad Arddull Chicago

P. Fraser, Seitel. Practice of Public Relations (3th Edition). British Library Cataloguing-in-Publication Data, 2025.

Dyfyniad MLA

P. Fraser, Seitel. Practice of Public Relations (3th Edition). British Library Cataloguing-in-Publication Data, 2025.

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