Purba, S. (2008). Otomata & Bahasa Formal. Graha Ilmu.
Chicago Style (17th ed.) CitationPurba, Swingly. Otomata & Bahasa Formal. Graha Ilmu, 2008.
MLA (8th ed.) CitationPurba, Swingly. Otomata & Bahasa Formal. Graha Ilmu, 2008.
Warning: These citations may not always be 100% accurate.