APA aipamena

Sreedharan, K. (1999). History of Indian space programme (3rd.). Kerala Sastra Sahitya Parishad.

Chicago Style aipamena

Sreedharan, K. History of Indian Space Programme. 3rd. Kochi: Kerala Sastra Sahitya Parishad, 1999.

MLA aipamena

Sreedharan, K. History of Indian Space Programme. 3rd. Kerala Sastra Sahitya Parishad, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.