Gaya APA

Hardjasoemantri, K., Swanson, C, P. (NULL). Environmental legislation in Indonesia . Yogyakarta:: Yogyakarta: Gajah Mada University Press; 1982.

Gaya MLA

Hardjasoemantri, Koesnadi., Swanson, Carl, P.. "Environmental legislation in Indonesia". Yogyakarta:: Yogyakarta: Gajah Mada University Press; 1982, NULL. Text.