Παραπομπή σε μορφή APA (7η εκδ.)

Rietveld, P., & Stough, R. (2007). Institutions and sustainable transport: Regulatory reform in advanced economies. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Rietveld, Piet, και Roger Stough. Institutions and Sustainable Transport: Regulatory Reform in Advanced Economies. Cheltenham, UK: Edward Elgar, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Rietveld, Piet, και Roger Stough. Institutions and Sustainable Transport: Regulatory Reform in Advanced Economies. Edward Elgar, 2007.