APA

Mathew (K M); Mathew (Mammen), .Manorama Year Book 2000. : .

Chicago

Mathew (K M); Mathew (Mammen), .Manorama Year Book 2000. : .

Harvard

Mathew (K M); Mathew (Mammen), .Manorama Year Book 2000. : .

MLA

Mathew (K M); Mathew (Mammen), .: . .