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 (4th rev. ed.).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCollison, 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. 4th rev. ed. London, Benn, 1969.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCollison, 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. 4th rev. ed. 1969.