Παραπομπή APA

K.Narayanan. (1974). District census handbook: Trichur. Government of Kerala.

Παραπομπή Chicago Style

K.Narayanan. District Census Handbook: Trichur. Kerala: Government of Kerala, 1974.

Παραπομπή MLA

K.Narayanan. District Census Handbook: Trichur. Government of Kerala, 1974.