APA stil citiranja
Langridge, D. W. (1992). Classification: Classification : its kinds, elements, systems and applications. London [etc.]: Bowker-Saur.
Chicago stil citiranjaLangridge, Derek Wilton. Classification: Classification : its kinds, elements, systems and applications. London [etc.]: Bowker-Saur, 1992.
MLA stil citiranjaLangridge, Derek Wilton. Classification: Classification : its kinds, elements, systems and applications. London [etc.]: Bowker-Saur, 1992.
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