Collison, R. L. (1969). Indexes and indexing: Guide to the indexing of books, and collections of books, periodicals, music, recordings, films and other material, with a reference section and suggestions for further reading (3rd rev. [and enl.] ed.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Collison, Robert Lewis. Indexes and Indexing: Guide to the Indexing of Books, and Collections of Books, Periodicals, Music, Recordings, Films and Other Material, with a Reference Section and Suggestions for Further Reading. 3rd rev. [and enl.] ed. London, Benn, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Collison, Robert Lewis. Indexes and Indexing: Guide to the Indexing of Books, and Collections of Books, Periodicals, Music, Recordings, Films and Other Material, with a Reference Section and Suggestions for Further Reading. 3rd rev. [and enl.] ed. 1969.