APA-ийн эшлэл(7 дахь хэвлэлт)

ENGEL HERBERT. (1990). HOW TO DELEGATE A GUIDE TO GETTING THINGS DONE (2.). JAICO PUBLISHING HOUSE.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ENGEL HERBERT. HOW TO DELEGATE A GUIDE TO GETTING THINGS DONE. 2. BOMBAY: JAICO PUBLISHING HOUSE, 1990.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ENGEL HERBERT. HOW TO DELEGATE A GUIDE TO GETTING THINGS DONE. 2. JAICO PUBLISHING HOUSE, 1990.