एपीए उद्धरण

Kelu, P. (2000). Environmental education: A pedagogical analysis. University of Calicut.

शिकागो स्टाइल उद्धरण

Kelu, P. Environmental Education: A Pedagogical Analysis. Calicut: University of Calicut, 2000.

एमएलए उद्धरण

Kelu, P. Environmental Education: A Pedagogical Analysis. University of Calicut, 2000.