APA
Mathew Mammen, . (2018). Manorama Year book-2018. New Delhi: Malayala Manorama.
Chicago
Mathew Mammen, . 2018. Manorama Year book-2018. New Delhi: Malayala Manorama.
Harvard
Mathew Mammen, . (2018). Manorama Year book-2018. New Delhi: Malayala Manorama.
MLA
Mathew Mammen, . Manorama Year book-2018. New Delhi: Malayala Manorama. 2018.