Allan, Graham Friendship : a sociological perspective / Graham Allan - Boulder : Westview, c1989. - xix, 174 p. : 22 cm. ISBN: 0813310369 LCCN: Subjects--Topical Terms: Friendship sociological aspects LC Class. No.: HM132.5 / .A44 1989 Dewey Class. No.: 302.34 / A417f