BROWN., L. R. (1995). Masa Depan Bumi. Yayasan Obor Indonesia.
Chicago Style CitationBROWN., Lester R. Masa Depan Bumi. Yayasan Obor Indonesia, 1995.
MLA CitationBROWN., Lester R. Masa Depan Bumi. Yayasan Obor Indonesia, 1995.
Warning: These citations may not always be 100% accurate.