(1971). Ganita bhautika pattikakal. Trivandrum.
Chicago Style aipamenaGanita Bhautika Pattikakal. Trivandrum, 1971.
MLA aipamenaGanita Bhautika Pattikakal. Trivandrum, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena