एपीए उद्धरण

Butenuth, C. (2001). Strength and weathering of rock as boundary layer problems. London: Imperial College Press.

शिकागो स्टाइल उद्धरण

Butenuth, Christine. Strength and Weathering of Rock As Boundary Layer Problems. London: Imperial College Press, 2001.

एमएलए उद्धरण

Butenuth, Christine. Strength and Weathering of Rock As Boundary Layer Problems. London: Imperial College Press, 2001.