Gaya APA
Hardjasoemantri, K. (1994).
Environmental legislation in Indonesia (ed. 3; cet. 4).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardjasoemantri, Koesnadi.
"Environmental legislation in Indonesia".
ed. 3; cet. 4
Yogyakarta:
Gadjah Mada University Press,
1994.
Text.