APA-ийн эшлэл(7 дахь хэвлэлт)

Doctor, R. (1983). Principles & practice of business communication (8th.). Sheth.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Bombay: Sheth, 1983.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Sheth, 1983.