Valath, V. (1991). Keralathile Sthala Charithrangal Ernakulam jilla.
Chicago Style aipamenaValath, Vvk. Keralathile Sthala Charithrangal Ernakulam Jilla. 1991.
MLA aipamenaValath, Vvk. Keralathile Sthala Charithrangal Ernakulam Jilla. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.