एपीए उद्धरण

Indu Jose, T. (1999). Air quality analysis of selected areas of Ettumanoor Block Panchayath in Kottayam Dt ( At Holly cross High School) (School level.).

शिकागो स्टाइल उद्धरण

Indu Jose, T. Air Quality Analysis of Selected Areas of Ettumanoor Block Panchayath in Kottayam Dt ( At Holly Cross High School). School level. Thellakom, Holy Cross High School, 1999.

एमएलए उद्धरण

Indu Jose, T. Air Quality Analysis of Selected Areas of Ettumanoor Block Panchayath in Kottayam Dt ( At Holly Cross High School). School level. 1999.