Citazione Stile APA (7a Edizione)

Langridge, D. W. (1992). Classification--its kinds, elements, systems, and applications. Bowker in association with the Centre for Information Studies, Charles Short University, Wagga Wagga, N.S.W..

Citazione stile Chigago Style (17a edizione)

Langridge, Derek Wilton. Classification--its Kinds, Elements, Systems, and Applications. London: Bowker in association with the Centre for Information Studies, Charles Short University, Wagga Wagga, N.S.W., 1992.

Citatione MLA (9a ed.)

Langridge, Derek Wilton. Classification--its Kinds, Elements, Systems, and Applications. Bowker in association with the Centre for Information Studies, Charles Short University, Wagga Wagga, N.S.W., 1992.