APA (7th ed.) Citation

Não informado. (1931). Highway research abstracts. National Research Council, Highway Research Board.

Chicago Style (17th ed.) Citation

Não informado. Highway Research Abstracts. Washington: National Research Council, Highway Research Board, 1931.

MLA (8th ed.) Citation

Não informado. Highway Research Abstracts. National Research Council, Highway Research Board, 1931.

Warning: These citations may not always be 100% accurate.