एपीए उद्धरण

Spoor, J. H. C. (1980). Copies in copyrights. Sijthoff and Noordhoff.

शिकागो स्टाइल उद्धरण

Spoor, J H Cornish. Copies in Copyrights. Alphen aan den Rijn: Sijthoff and Noordhoff, 1980.

एमएलए उद्धरण

Spoor, J H Cornish. Copies in Copyrights. Sijthoff and Noordhoff, 1980.