APA-čujuhus (7. p.)
Curtis, C., & Low, N. (2012). Institutional barriers to sustainable transport. Ashgate.
Chicago-čujuhus (17. p.)
Curtis, Carey, juo Nicholas Low. Institutional Barriers to Sustainable Transport. Burlington, Vt.: Ashgate, 2012.
MLA-čujuhus (9. p.)
Curtis, Carey, juo Nicholas Low. Institutional Barriers to Sustainable Transport. Ashgate, 2012.
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