Παραπομπή APA

Scheppach, R. C., & Woehlcke, C. L. (1975). Transportation productivity: Measurement and policy applications. Lexington, Mass.: Lexington Books.

Παραπομπή Chicago Style

Scheppach, Raymond C., and Carl L. Woehlcke. Transportation Productivity: Measurement and Policy Applications. Lexington, Mass.: Lexington Books, 1975.

Παραπομπή MLA

Scheppach, Raymond C., and Carl L. Woehlcke. Transportation Productivity: Measurement and Policy Applications. Lexington, Mass.: Lexington Books, 1975.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.