APA-ийн эшлэл(7 дахь хэвлэлт)

Greenberg, P. (2004). CRM at the Speed of Light (3rd.). Tata Mcgraw Hill pub. co.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Greenberg, Paul. CRM at the Speed of Light. 3rd. New Dehli: Tata Mcgraw Hill pub. co, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Greenberg, Paul. CRM at the Speed of Light. 3rd. Tata Mcgraw Hill pub. co, 2004.