Duck, Steve. Personal relationships and personal constructs a study of friendship formation [by] Steven W. Duck. - London New York J. Wiley [1973] - 170 p. ill. 24 cm. Bibliography: p. [159]-166. ISBN: 0471223565 LCCN: 73008193 //r84 Nat. Bib. No.: GB*** Subjects--Topical Terms: FriendshipInterpersonal relations LC Class. No.: HM132 / .D82 Dewey Class. No.: 301.11/2