Purwoko. (2004). Rekayasa bahasa dan sastra nasional. Saint Joseph's University.
Chicago Style (17th ed.) CitationPurwoko. Rekayasa Bahasa Dan Sastra Nasional. Saint Joseph's University, 2004.
MLA (8th ed.) CitationPurwoko. Rekayasa Bahasa Dan Sastra Nasional. Saint Joseph's University, 2004.
Warning: These citations may not always be 100% accurate.