Gaya APA

Widyanti, E., Bossche, P, V, D. (2010). Pengantar Hukum Wto (world Trade Organization) (1). Jakarta: Yayasan Obor Indonesia.

Gaya MLA

Widyanti, Eka., Bossche, Peter, Van, Den. "Pengantar Hukum Wto (world Trade Organization)". 1 Jakarta: Yayasan Obor Indonesia, 2010. Text.