Cita APA (7th ed.)

Prentice, B., & Prokop, D. (2016). Concepts of transportation economics. World Scientific.

Cita Chicago (17th ed.)

Prentice, Barry, i Darren Prokop. Concepts of Transportation Economics. New Jersey: World Scientific, 2016.

Cita MLA (9th ed.)

Prentice, Barry, i Darren Prokop. Concepts of Transportation Economics. World Scientific, 2016.