APA-referens (7:e uppl.)
Kadiyali, L., & Lal, N. (2017). Principles and practices of highway engineering: (including expressways and airport engineering) (7th ed.). Khanna Pub.
Chicago-referens (17:e uppl.)
Kadiyali, L.R, och N.B Lal. Principles and Practices of Highway Engineering: (including Expressways and Airport Engineering). 7th ed. New Delhi: Khanna Pub, 2017.
MLA-referens (9:e uppl.)
Kadiyali, L.R, och N.B Lal. Principles and Practices of Highway Engineering: (including Expressways and Airport Engineering). 7th ed. Khanna Pub, 2017.
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