Παραπομπή APA

Ray,Satyajith. (2017). Deep focus. Chintha publications.

Παραπομπή Chicago Style

Ray,Satyajith. Deep Focus. Thiruvananthapuram: Chintha publications, 2017.

Παραπομπή MLA

Ray,Satyajith. Deep Focus. Chintha publications, 2017.