Παραπομπή APA

Chittaranjan Nayak. (2018). Social and economic infrastructure. SSDN.

Παραπομπή Chicago Style

Chittaranjan Nayak. Social and Economic Infrastructure. New Delhi: SSDN, 2018.

Παραπομπή MLA

Chittaranjan Nayak. Social and Economic Infrastructure. SSDN, 2018.