Dyfyniad APA
Ghosh, D. N. (1991). A Directory of civil engineering (2nd ed.). CBS Pub.
Dyfyniad Arddull Chicago
Ghosh, D. N. A Directory of Civil Engineering. 2nd ed. New Delhi: CBS Pub, 1991.
Dyfyniad MLA
Ghosh, D. N. A Directory of Civil Engineering. 2nd ed. CBS Pub, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.