Gaya APA

KADIR, M, Y, A. (2014). The world trade organization (WTO) free trade within fair trade challenges . Yogyakarta: Fakultas Hukum UGM.

Gaya MLA

KADIR, M., Ya'kub, Aiyub. "The world trade organization (WTO) free trade within fair trade challenges". Yogyakarta: Fakultas Hukum UGM, 2014. Artikel.