Dyfyniad APA
Agarwal, M. (1997). Railway engineering (2nd rev. & enl. ed.). Standard.
Dyfyniad Arddull Chicago
Agarwal, M.M. Railway Engineering. 2nd rev. & enl. ed. Delhi: Standard, 1997.
Dyfyniad MLA
Agarwal, M.M. Railway Engineering. 2nd rev. & enl. ed. Standard, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.