Παραπομπή APA

Gupta, S. L. a. . H. G. (2012). Business Research Methods.

Παραπομπή Chicago Style

Gupta, S L and Hitesh Gupta. Business Research Methods. Tata Mc Graw Hill: New Delhi, 2012.

Παραπομπή MLA

Gupta, S L and Hitesh Gupta. Business Research Methods. 2012.