Cita APA (7th ed.)
(2013). Principles of railway engineering. Charotar.
Cita Chicago (17th ed.)
Principles of Railway Engineering. Delhi: Charotar, 2013.
Cita MLA (9th ed.)
Principles of Railway Engineering. Charotar, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.