APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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