M Thomas Isaac. (2011). Keralam: Mannum manushyanum. Kerala sastra sahitya parishad.
Chicago Style aipamenaM Thomas Isaac. Keralam: Mannum Manushyanum. Kerala sastra sahitya parishad, 2011.
MLA aipamenaM Thomas Isaac. Keralam: Mannum Manushyanum. Kerala sastra sahitya parishad, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.