एपीए उद्धरण

Sankara Pitchaiah. (1995). Ground water. Scientific.

शिकागो स्टाइल उद्धरण

Sankara Pitchaiah. Ground Water. Jodhpur: Scientific, 1995.

एमएलए उद्धरण

Sankara Pitchaiah. Ground Water. Scientific, 1995.