A transportation catechism;
current questions on land transport with answers by authorities.

APA Citation

National Highway Users Conference. (1935). A transportation catechism: current questions on land transport with answers by authorities. [Washington, D.C..

MLA Citation

National Highway Users Conference. A Transportation Catechism: Current Questions On Land Transport With Answers by Authorities. [Washington, D.C., 1935.

Warning: These citations may not always be complete (especially for serials).