Library Association & Walford, A. J. (1975). Guide to reference material. Library Association.
Chicagoスタイル(17版)引用形式Library Association , A. J. Walford. Guide to Reference Material. London: Library Association, 1975.
MLA(9版)引用形式Library Association , A. J. Walford. Guide to Reference Material. Library Association, 1975.
警告: この引用は必ずしも正確ではありません.