Gaya APA

Nayoan, G, A, S. (1996). Selected keynote addresses to the oil gas industry Natural gas in South East Asia. A challenging horizon in process technology (1996). : Jakarta : Pertamina,.

Gaya MLA

Nayoan, G, A, S. "Selected keynote addresses to the oil gas industry Natural gas in South East Asia. A challenging horizon in process technology". 1996 : Jakarta : Pertamina,, 1996. Text.