Pond, O. L. (1925). A treatise on the law of public utilities: Including motor vehicle transportation (3rd ed., rev. and enl.). Bobbs-Merrill.
Dyfyniad Arddull ChicagoPond, Oscar L. A Treatise on the Law of Public Utilities: Including Motor Vehicle Transportation. 3rd ed., rev. and enl. Indianapolis: Bobbs-Merrill, 1925.
Dyfyniad MLAPond, Oscar L. A Treatise on the Law of Public Utilities: Including Motor Vehicle Transportation. 3rd ed., rev. and enl. Bobbs-Merrill, 1925.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.