Παραπομπή APA

Digumarti Bhasakara Rao. (1994). Evaluation for the 21st century. Discovery Publishing House.

Παραπομπή Chicago Style

Digumarti Bhasakara Rao. Evaluation for the 21st Century. New Delhi: Discovery Publishing House, 1994.

Παραπομπή MLA

Digumarti Bhasakara Rao. Evaluation for the 21st Century. Discovery Publishing House, 1994.