Nong, S., P. et al.(2003).Ekonomi barter Lembata : di tengah arus deras pasar bebas / Paulus Nong Susar, Joseph Markus Sidhu, Kornelia Penate; editor, Otto Syamsuddin Ishak .Jakarta:YAPPIKA.
Gaya MLA
Susar, Paulus, Nong. et al."Ekonomi barter Lembata : di tengah arus deras pasar bebas / Paulus Nong Susar, Joseph Markus Sidhu, Kornelia Penate; editor, Otto Syamsuddin Ishak".Jakarta:YAPPIKA,2003.Textbook.