Gaya APA

PRATONO, A, H., ROSJADI, F. (2007). Participatory earth system governance for emergency program in Indonesia . Surabaya: Fakultas Ekonomi, Universitas Surabaya.

Gaya MLA

PRATONO, A., Hery., ROSJADI, Firman. "Participatory earth system governance for emergency program in Indonesia". Surabaya: Fakultas Ekonomi, Universitas Surabaya, 2007. Artikel.