Sudarso. (2010). Speed reading: Sistem membaca cepat dan efektif. Gramedia.
Chicago Style (17th ed.) CitationSudarso. Speed Reading: Sistem Membaca Cepat Dan Efektif. Gramedia, 2010.
MLA (8th ed.) CitationSudarso. Speed Reading: Sistem Membaca Cepat Dan Efektif. Gramedia, 2010.
Warning: These citations may not always be 100% accurate.