एपीए उद्धरण

Wray, W. K. (1986). Measuring Engineering Properties of Soil. Prentice-Hall of India.

शिकागो स्टाइल उद्धरण

Wray, Warren K. Measuring Engineering Properties of Soil. Englewood: Prentice-Hall of India, 1986.

एमएलए उद्धरण

Wray, Warren K. Measuring Engineering Properties of Soil. Prentice-Hall of India, 1986.