APA-ийн эшлэл(7 дахь хэвлэлт)

Singh, R. (2002). Economic environment of business: A case study approach.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Singh, Rakesh. Economic Environment of Business: A Case Study Approach. New Delhi, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Singh, Rakesh. Economic Environment of Business: A Case Study Approach. 2002.