एपीए उद्धरण

(1973). Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Sarita.

शिकागो स्टाइल उद्धरण

Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Meerut: Sarita, 1973.

एमएलए उद्धरण

Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Sarita, 1973.