GRAMMAR & GIYOTO, e. (1999). Grammar 2. Muhammadiyah Unniversity Press.
Chicago Style (17th ed.) CitationGRAMMAR and et.al GIYOTO. Grammar 2. Surakarta: Muhammadiyah Unniversity Press, 1999.
MLA (9th ed.) CitationGRAMMAR and et.al GIYOTO. Grammar 2. Muhammadiyah Unniversity Press, 1999.
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