Dua, M., Ristyantoro, R.(2014).Respons Jurnal Etika Sosial Vol.19 Tahun 2014 (Vol 19 No.1,2 2014).Jakarta:Published by the Faculty Of Geography Gaja Mada University Yogyakarta Indonesia.
Gaya MLA
Dua, Michael., Ristyantoro, Rodemeus."Respons Jurnal Etika Sosial Vol.19 Tahun 2014".Vol 19 No.1,2 2014Jakarta:Published by the Faculty Of Geography Gaja Mada University Yogyakarta Indonesia,2014.Koleksi Berkala.