Nickel, M. L. (1975). Steps to service: A handbook of procedures for the school library media center. American Library Association.
Chicago Style (17. basım) AtıfNickel, Mildred L. Steps to Service: A Handbook of Procedures for the School Library Media Center. Chicago: American Library Association, 1975.
MLA (9th ed.) AtıfNickel, Mildred L. Steps to Service: A Handbook of Procedures for the School Library Media Center. American Library Association, 1975.
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