Soedarso. (2004). Speed Reading: Sistem Membaca Cepat dan Efektif. PT. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationSoedarso. Speed Reading: Sistem Membaca Cepat Dan Efektif. PT. Gramedia Pustaka Utama, 2004.
MLA (8th ed.) CitationSoedarso. Speed Reading: Sistem Membaca Cepat Dan Efektif. PT. Gramedia Pustaka Utama, 2004.
Warning: These citations may not always be 100% accurate.