Ager, David. The soccer referee's manual / David Ager. - 5th ed. - London : A. & C. Black, 2005. - x, 164 p. : ill. ; 22 cm. Originally published: London : A&C Black, 2000. Includes index. ISBN: 0713673907 Subjects--Topical Terms: Soccer--Refereeing.Soccer--Rules. Dewey Class. No.: 796.3343