एपीए उद्धरण

Sharma, P. V. (1997). Environmental and engineering geophysics. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Sharma, Prem V. Environmental and Engineering Geophysics. Cambridge: Cambridge University Press, 1997.

एमएलए उद्धरण

Sharma, Prem V. Environmental and Engineering Geophysics. Cambridge University Press, 1997.