Lua APA (7ú heag.)

Hay, W. W. (1961). An Introduction to tansportation engineering. John Wiley.

Lua i Stíl Chicago (17ú heag.)

Hay, William W. An Introduction to Tansportation Engineering. NewYork: John Wiley, 1961.

Lua MLA (9ú heag.)

Hay, William W. An Introduction to Tansportation Engineering. John Wiley, 1961.

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