(2013). NRPPD.30. CDS.
Chicago Style aipamenaNRPPD.30. Thiruvananthapuram: CDS, 2013.
MLA aipamenaNRPPD.30. CDS, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(2013). NRPPD.30. CDS.
Chicago Style aipamenaNRPPD.30. Thiruvananthapuram: CDS, 2013.
MLA aipamenaNRPPD.30. CDS, 2013.