APA Style

LIA, L, B, D, P, P. et al (2006). Explore 1-4 :intermediate (workbook for self study) . Jakarta: Pusat Penerbitan LIA.

MLA Style

LIA, Lembaga, Bahasa, Dan, Pendidikan, Profesional. et al. "Explore 1-4 :intermediate (workbook for self study)". Jakarta: Pusat Penerbitan LIA, 2006. Text.