Batty, C. (1981). An introduction to the nineteenth edition of the Dewey Decimal classification. Clive Bingley.
Citazione stile Chigago Style (17a edizione)Batty, C.D. An Introduction to the Nineteenth Edition of the Dewey Decimal Classification. London: Clive Bingley, 1981.
Citatione MLA (9a ed.)Batty, C.D. An Introduction to the Nineteenth Edition of the Dewey Decimal Classification. Clive Bingley, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.