Dyfyniad APA
Arora, S., & Saxena, S. C. (2017). A text book of railway engineering (8th ed.). Dhanpat Rai Pub.
Dyfyniad Arddull Chicago
Arora, S.P, and Subhash C. Saxena. A Text Book of Railway Engineering. 8th ed. New Delhi: Dhanpat Rai Pub, 2017.
Dyfyniad MLA
Arora, S.P, and Subhash C. Saxena. A Text Book of Railway Engineering. 8th ed. Dhanpat Rai Pub, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.