Donev, S. (2000). From Roman roads to Railroad tracks. New York: McGraw-Hill School Division.
Dyfyniad Arddull ChicagoDonev, Stef. From Roman Roads to Railroad Tracks. New York: McGraw-Hill School Division, 2000.
Dyfyniad MLADonev, Stef. From Roman Roads to Railroad Tracks. New York: McGraw-Hill School Division, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.