APA (7e ed.) Bronvermelding

Não informado. (1938). Building materials and structures report. U.S. Department of Commerce, National Bureau of Standards.

Chicago (17e ed.) Bronvermelding

Não informado. Building Materials and Structures Report. Washington: U.S. Department of Commerce, National Bureau of Standards, 1938.

MLA (8e ed.) Bronvermelding

Não informado. Building Materials and Structures Report. U.S. Department of Commerce, National Bureau of Standards, 1938.

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