Friedl, F., Ott, N., Stein, B., & Luidl, P. (1998). Typography - when who how: Edited by Friedrich Friedl ; Nicolaus Ott ; Bernard Stein. Text : The Tools Philipp Luidl. Könemann.
Lua i Stíl Chicago (17ú heag.)Friedl, Friedrich, Nicolaus Ott, Bernard Stein, agus Philipp Luidl. Typography - When Who How: Edited by Friedrich Friedl ; Nicolaus Ott ; Bernard Stein. Text : The Tools Philipp Luidl. Köln: Könemann, 1998.
Lua MLA (8ú heag.)Friedl, Friedrich, et al. Typography - When Who How: Edited by Friedrich Friedl ; Nicolaus Ott ; Bernard Stein. Text : The Tools Philipp Luidl. Könemann, 1998.
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