APA Style

Putri, K, S. et al (2009). South East ASIAN School Principals Forum (SEASPF) : a journal to leadership development of school principals (2007-2009) . Jakarta: Direktorat Jenderal Guru dan Tenaga Kependidikan.

MLA Style

Putri, Kenny, S.. et al. "South East ASIAN School Principals Forum (SEASPF) : a journal to leadership development of school principals (2007-2009)". Jakarta: Direktorat Jenderal Guru dan Tenaga Kependidikan, 2009. Text.