Citazione Stile APA (7a Edizione)

Liverpool (England). College of Commerce. School of Librarianship & Houghton, B. (1968). Computer based information retrieval systems. G. Bingley.

Citazione stile Chigago Style (17a edizione)

Liverpool (England). College of Commerce. School of Librarianship e B. Houghton. Computer Based Information Retrieval Systems. London: G. Bingley, 1968.

Citatione MLA (8a ed.)

Liverpool (England). College of Commerce. School of Librarianship e B. Houghton. Computer Based Information Retrieval Systems. G. Bingley, 1968.