Howard, G. C. R. S. S. (1965). Law: Its nature, functions and limits. Prentice-Hall.
Dyfyniad Arddull ChicagoHoward, G. Charles Robert S. Summers. Law: Its Nature, Functions and Limits. New Jersey: Prentice-Hall, 1965.
Dyfyniad MLAHoward, G. Charles Robert S. Summers. Law: Its Nature, Functions and Limits. Prentice-Hall, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.