Dyfyniad APA

HARRISON K C. (1982). PUBLIC RELATIONS FOR LIBRARIANS (2ND.). GOWER A GRAFTON BOOK.

Dyfyniad Arddull Chicago

HARRISON K C. PUBLIC RELATIONS FOR LIBRARIANS. 2ND. U.S.A: GOWER A GRAFTON BOOK, 1982.

Dyfyniad MLA

HARRISON K C. PUBLIC RELATIONS FOR LIBRARIANS. 2ND. GOWER A GRAFTON BOOK, 1982.

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