Dyfyniad APA
Gilbert, R., & Perl, A. (2010). Transport revolutions: Moving people and freight without oil (Rev. and updated ed.). New Society.
Dyfyniad Arddull Chicago
Gilbert, Richard, and Anthony Perl. Transport Revolutions: Moving People and Freight Without Oil. Rev. and updated ed. Philadelphia, Pa.: New Society, 2010.
Dyfyniad MLA
Gilbert, Richard, and Anthony Perl. Transport Revolutions: Moving People and Freight Without Oil. Rev. and updated ed. New Society, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.