APA (7e ed.) Bronvermelding

Não informado. (2004). Government Reports Announcements & Index. U.S. Department of Commerce, National Technical Information Service.

Chicago (17e ed.) Bronvermelding

Não informado. Government Reports Announcements & Index. Springfield, Va: U.S. Department of Commerce, National Technical Information Service, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Government Reports Announcements & Index. U.S. Department of Commerce, National Technical Information Service, 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.