एपीए उद्धरण

Harding, J. (2003). Cambridge essential science: Teacher CD- ROM. Cambridge: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Harding, John. Cambridge Essential Science: Teacher CD- ROM. Cambridge: Cambridge University Press, 2003.

एमएलए उद्धरण

Harding, John. Cambridge Essential Science: Teacher CD- ROM. Cambridge: Cambridge University Press, 2003.