Harris, E. J. (1968). Instructional materials cataloging guide. University of Arizona, Bureau of Educational Research and Service.
Chicago-viite (17. p.)Harris, Evelyn J. Instructional Materials Cataloging Guide. Tucson: University of Arizona, Bureau of Educational Research and Service, 1968.
MLA-viite (8. p.)Harris, Evelyn J. Instructional Materials Cataloging Guide. University of Arizona, Bureau of Educational Research and Service, 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.