Gray, P. . .. (1975). Sukshmadarsana prayoga sahayi. State Instititute of Languages.
Chicago Style aipamenaGray, Peter. Sukshmadarsana Prayoga Sahayi. Thiruvananthapuram: State Instititute of Languages, 1975.
MLA aipamenaGray, Peter. Sukshmadarsana Prayoga Sahayi. State Instititute of Languages, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.