APA

Hay W. W., . (1961). An introduction to transportation engineering. New York [u.a.]: Wiley.

Chicago

Hay William W, . 1961. An introduction to transportation engineering. New York [u.a.]: Wiley.

Harvard

Hay W. W., . (1961). An introduction to transportation engineering. New York [u.a.]: Wiley.

MLA

Hay William W, . An introduction to transportation engineering. New York [u.a.]: Wiley. 1961.