APA-referens

K P Ummer. (2012). Ormakalude pusthakam. Chintha publishers.

Chicago-stil citat

K P Ummer. Ormakalude Pusthakam. Trivandrum: Chintha publishers, 2012.

MLA-referens

K P Ummer. Ormakalude Pusthakam. Chintha publishers, 2012.