Παραπομπή APA

Panneerselvam, R. (2004). Research methodology. PHI Learning Private Limited.

Παραπομπή Chicago Style

Panneerselvam, R. Research Methodology. New Delhi: PHI Learning Private Limited, 2004.

Παραπομπή MLA

Panneerselvam, R. Research Methodology. PHI Learning Private Limited, 2004.