Lester R. Brown. (1995). Tanda-Tanda Zaman Era 90-an. Jakarta: Yayasan Obor ndonesa.
Chicago Style CitationLester R. Brown. Tanda-Tanda Zaman Era 90-an. Jakarta: Yayasan Obor ndonesa, 1995.
MLA CitationLester R. Brown. Tanda-Tanda Zaman Era 90-an. Jakarta: Yayasan Obor ndonesa, 1995.
Warning: These citations may not always be 100% accurate.