Dyfyniad APA

Sullivan, J. L. (1966). Introduction to police science. McGraw-Hill.

Dyfyniad Arddull Chicago

Sullivan, John L. Introduction to Police Science. New York: McGraw-Hill, 1966.

Dyfyniad MLA

Sullivan, John L. Introduction to Police Science. McGraw-Hill, 1966.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.