Gaya APA
Hardjasoemantri, K. (1994).
Enviromental legislation in Indonesia (third).
Yogyakarta:
Gadjah da niversty Press.
Gaya MLA
Hardjasoemantri, Koesnadi.
"Enviromental legislation in Indonesia".
third
Yogyakarta:
Gadjah da niversty Press,
1994.
Text.