Kettner, Peter M., 1936- Purchase of service contracting / Peter M. Kettner, Lawrence L. Martin. - Newbury Park, Calif. : Sage Publications, c1987. - 171 p. : forms ; 22 cm. - Sage human services guides ; v. 44 . Bibliography: p. 167-170. ISBN: 0803926308 (pbk.) LCCN: 86001928 Subjects--Topical Terms: Social service--Contracting out--United States. LC Class. No.: HV95 / .K43 1987 Dewey Class. No.: 350.84 / KEP 1987