Dyfyniad APA

FRAUSE BOB. (1994). ENVIRONMENTAL MARKETING IMPERATIVE. PROBUS PUBLICATIONS.

Dyfyniad Arddull Chicago

FRAUSE BOB. ENVIRONMENTAL MARKETING IMPERATIVE. CHICAGO: PROBUS PUBLICATIONS, 1994.

Dyfyniad MLA

FRAUSE BOB. ENVIRONMENTAL MARKETING IMPERATIVE. PROBUS PUBLICATIONS, 1994.

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