Dyfyniad APA

ROBEY CAROL. (1978). HANDBOOK OF BUSINESS WRITING SKILLS. HARCOURT.

Dyfyniad Arddull Chicago

ROBEY CAROL. HANDBOOK OF BUSINESS WRITING SKILLS. NEW YORK: HARCOURT, 1978.

Dyfyniad MLA

ROBEY CAROL. HANDBOOK OF BUSINESS WRITING SKILLS. HARCOURT, 1978.

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