Bahasa gaul : fenomena kehidupan bahasa Sri Hapsari Wijayanti
 Artikel Jurnal
Teddy Nurcahyawan
Cooperative learning and its cultural values Teddy Nurcahyawan
2005
 Artikel Jurnal
Jalaluddin Rakhmat
Catatan Kang Jalal
Remaja Rosdakarya, 1998
 Buku Teks
Marang kang tiningal katresnane
[publisher not identified], [date of publication not identified]
 Buku Klasik
Oh, Dong-jin
Kang Woo-suk
Seoul Selection, 2008
 Buku Teks SO