एपीए उद्धरण

Roberts, H. (1949). Supplement to the law of town and country planning. Charles Knight.

शिकागो स्टाइल उद्धरण

Roberts, Howard. Supplement to the Law of Town and Country Planning. London: Charles Knight, 1949.

एमएलए उद्धरण

Roberts, Howard. Supplement to the Law of Town and Country Planning. Charles Knight, 1949.