APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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