Gaya APA

IPA, . (1996). Proceedings of the twenty fifth silver anniversary convention. volume 1. Establing Indonesian s sustainable browth in the energy industry (1996). : Jakarta : IPA,.

Gaya MLA

IPA, . "Proceedings of the twenty fifth silver anniversary convention. volume 1. Establing Indonesian s sustainable browth in the energy industry". 1996 : Jakarta : IPA,, 1996. Text.