APA (7e ed.) Bronvermelding

Não informado. (1918). National Bureau of Standards Handbook. Government Printing Office.

Chicago (17e ed.) Bronvermelding

Não informado. National Bureau of Standards Handbook. Washington: Government Printing Office, 1918.

MLA (8e ed.) Bronvermelding

Não informado. National Bureau of Standards Handbook. Government Printing Office, 1918.

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