एपीए उद्धरण

Brockenbrough, R. L. (2003). Highway engineering handbook. New York: McGraw- Hill.

शिकागो स्टाइल उद्धरण

Brockenbrough, Roger L. Highway Engineering Handbook. New York: McGraw- Hill, 2003.

एमएलए उद्धरण

Brockenbrough, Roger L. Highway Engineering Handbook. New York: McGraw- Hill, 2003.