एपीए उद्धरण

McDonald,P C. (1992). Directory of low temperature research and development in europe (7th.). IOP.

शिकागो स्टाइल उद्धरण

McDonald,P C. Directory of Low Temperature Research and Development in Europe. 7th. Bristol and Philadelphia: IOP, 1992.

एमएलए उद्धरण

McDonald,P C. Directory of Low Temperature Research and Development in Europe. 7th. IOP, 1992.