Dyfyniad APA

GESSIN JANICE. (1987). ADVANCED PFS: PROFESSIONAL WRITE AND FILE. OSBORNE MCGRAW-HILL.

Dyfyniad Arddull Chicago

GESSIN JANICE. ADVANCED PFS: PROFESSIONAL WRITE AND FILE. BERKELY CALIFORNIA: OSBORNE MCGRAW-HILL, 1987.

Dyfyniad MLA

GESSIN JANICE. ADVANCED PFS: PROFESSIONAL WRITE AND FILE. OSBORNE MCGRAW-HILL, 1987.

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