APA-ийн эшлэл(7 дахь хэвлэлт)

Frailey L.E & Mamchak Susan. (1993). Hanbook of Business Letters (3rd Edition.). Super Book House.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Frailey L.E ба Mamchak Susan. Hanbook of Business Letters. 3rd Edition. Bombay: Super Book House, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Frailey L.E ба Mamchak Susan. Hanbook of Business Letters. 3rd Edition. Super Book House, 1993.