Walton, R. (1999). Alphabook: Typeface design & application. Nippan.
Čikaški stil citiranja (17. izdanje)Walton, Roger. Alphabook: Typeface Design & Application. Düsseldorf: Nippan, 1999.
MLA način citiranja (8. izdanje)Walton, Roger. Alphabook: Typeface Design & Application. Nippan, 1999.
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