एपीए उद्धरण

Ravindran, T., & Dr. Joseph Francis. (1989). Studies on Polyurethane Elastomers Based on Liquid Natural Rubber. Dept. of Polymer Science & Rubber Technology.

शिकागो स्टाइल उद्धरण

Ravindran, T., और Dr. Joseph Francis. Studies on Polyurethane Elastomers Based on Liquid Natural Rubber. Cochin: Dept. of Polymer Science & Rubber Technology, 1989.

एमएलए उद्धरण

Ravindran, T., और Dr. Joseph Francis. Studies on Polyurethane Elastomers Based on Liquid Natural Rubber. Dept. of Polymer Science & Rubber Technology, 1989.