Gaya APA

Zulkifly, A, K. (2014). Expalining the informal sector in indonesia from the transaction cost perspective (Gadjah Mada International journal Business,Vol 16). Yogyakarta: Fakultas Ekonomi UGM.

Gaya MLA

Zulkifly, Abdul, Karim,. "Expalining the informal sector in indonesia from the transaction cost perspective". Gadjah Mada International journal Business,Vol 16 Yogyakarta: Fakultas Ekonomi UGM, 2014. Artikel.