Dyfyniad APA

BIVINS THOMAS. (1988). HANDBOOK OF PUBLIC RELATIONS WRITINGS. NTC BUSINESS BOOKS.

Dyfyniad Arddull Chicago

BIVINS THOMAS. HANDBOOK OF PUBLIC RELATIONS WRITINGS. LINCOLNWOOD ILLINOIS: NTC BUSINESS BOOKS, 1988.

Dyfyniad MLA

BIVINS THOMAS. HANDBOOK OF PUBLIC RELATIONS WRITINGS. NTC BUSINESS BOOKS, 1988.

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