Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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