Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.