APA-ийн эшлэл(7 дахь хэвлэлт)

DOBSON, A. (1999). Writing business letters: How to tackle your day-to-daybusiness correspondence successfully. Grolier International.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

DOBSON, Ann. Writing Business Letters: How to Tackle Your Day-to-daybusiness Correspondence Successfully. Hongkong: Grolier International, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

DOBSON, Ann. Writing Business Letters: How to Tackle Your Day-to-daybusiness Correspondence Successfully. Grolier International, 1999.