एपीए उद्धरण

Joy Job Kulaveli. (2003). Unnatha vidhyabyasam: Prathisandiyum prathyasayum. Current Books.

शिकागो स्टाइल उद्धरण

Joy Job Kulaveli. Unnatha Vidhyabyasam: Prathisandiyum Prathyasayum. Thrissur: Current Books, 2003.

एमएलए उद्धरण

Joy Job Kulaveli. Unnatha Vidhyabyasam: Prathisandiyum Prathyasayum. Current Books, 2003.