एपीए उद्धरण

Punmia B.C. Soil Mechanics and Foundations. Saurabh.

शिकागो स्टाइल उद्धरण

Punmia B.C. Soil Mechanics and Foundations. Saurabh.

एमएलए उद्धरण

Punmia B.C. Soil Mechanics and Foundations. Saurabh.