Walford, A. J. (1970). Guide to reference material (2nd ed.). The Library Association.
シカゴスタイル引用形Walford, A J. Guide to Reference Material. 2nd ed. London: The Library Association, 1970.
MLA引用形式Walford, A J. Guide to Reference Material. 2nd ed. The Library Association, 1970.
警告: この引用は必ずしも正確ではありません.