Mathew, M. (2019). Manorama yearbook 2020. malayala Manorama.
Chicago-čujuhus (17. p.)Mathew, Mammen. Manorama Yearbook 2020. Kottayam: malayala Manorama, 2019.
MLA-čujuhus (9. p.)Mathew, Mammen. Manorama Yearbook 2020. malayala Manorama, 2019.
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