Ellis, R. (1943). Coast guard law enforcement. Cornell maritime press.
Dyfyniad Arddull ChicagoEllis, Ridsdale. Coast Guard Law Enforcement. New York: Cornell maritime press, 1943.
Dyfyniad MLAEllis, Ridsdale. Coast Guard Law Enforcement. Cornell maritime press, 1943.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.