Não informado. (1971). R & D Projects in Documentation and Librarianship. International Federation for Documentation.
Chicagoスタイル(17版)引用形式Não informado. R & D Projects in Documentation and Librarianship. The Hague, Holanda: International Federation for Documentation, 1971.
MLA(8版)引用形式Não informado. R & D Projects in Documentation and Librarianship. International Federation for Documentation, 1971.
警告: この引用は必ずしも正確ではありません.