APA Style

Susilo, F. (2009). JURNAL SIGMA (Vol.12; No.2; Periode Juli 2009). Depok-Sleman: LPPM Univ. Sanata Dharma.

MLA Style

Susilo, Frans. "JURNAL SIGMA". Vol.12; No.2; Periode Juli 2009 Depok-Sleman: LPPM Univ. Sanata Dharma, 2009. Jurnal.