Mathew Mammen. (2017). Manorama YearBook 2017. Malayala Manorama.
Chicago-čujuhus (17. p.)Mathew Mammen. Manorama YearBook 2017. Kottayam: Malayala Manorama, 2017.
MLA-čujuhus (9. p.)Mathew Mammen. Manorama YearBook 2017. Malayala Manorama, 2017.
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