Berdie, Douglas R. Questionnaires: design and use, by Douglas R. Berdie and John F. Anderson. - Metuchen, N.J., Scarecrow Press, 1974. - 225 p. illus. 22 cm. ISBN: 081080719X LCCN: 74004174 LC Class. No.: BF39 .B445 1974 / .B445 Dewey Class. No.: 001.4/222