Richardson, D. (1983). Guide to Negotiable Insturments and the Bills of Exchange Acts (7th ed.). Butterworths.
Chicago-tyylinen lähdeviittausRichardson, Dudley. Guide to Negotiable Insturments and the Bills of Exchange Acts. 7th ed. London: Butterworths, 1983.
MLA-viiteRichardson, Dudley. Guide to Negotiable Insturments and the Bills of Exchange Acts. 7th ed. Butterworths, 1983.
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