Gaya APA
Program, U, C, S. (1996).
Steps in Preparing Climate Change Action Plans : A Handbook (1996).
usa:
U.S Country Studies Program.
Gaya MLA
Program, U.S, Country, Studies.
"Steps in Preparing Climate Change Action Plans : A Handbook".
1996
usa:
U.S Country Studies Program,
1996.
Buku.