Hayes, Denis
The Official earth day guide to planet repair
Island Press, 2000
 Buku Teks
Earth report 2000: revesiting the state of the planet/editor, Ronald Bailey
McGraw-Hill, 2000
 Buku Teks
Intan Khasanah
Penggambaran kampanye earth hour WWF dan potong 10 persen kementerian ESDM pada website resmi organisasi = Depiction of WWF s earth hour campaign and ministry of energy and mineral resources potong 10 persen campaign on the official website of the organizations
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
 UI - Makalah dan Kertas Kerja
Hirooka, Kyushi
The Day trading guide for beginners
PT Elex Media Komputindo, 2019
 Buku Teks
Planet earth : Macmillan world atlas
Macmillan, 1991
 Buku Referensi