Mathew,Mammen. (2021). Manorama yearbook 2021. Malayala Manorama.
Chicago-čujuhus (17. p.)Mathew,Mammen. Manorama Yearbook 2021. Kottayam: Malayala Manorama, 2021.
MLA-čujuhus (9. p.)Mathew,Mammen. Manorama Yearbook 2021. Malayala Manorama, 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.