APA
(1999). World clean energy buyers guide & directory 2001 (Book & Crom). Unisun Technologies, Bangalore: .
Chicago
1999. World clean energy buyers guide & directory 2001 (Book & Crom). Unisun Technologies, Bangalore: .
Harvard
(1999). World clean energy buyers guide & directory 2001 (Book & Crom). Unisun Technologies, Bangalore: .
MLA
World clean energy buyers guide & directory 2001 (Book & Crom). Unisun Technologies, Bangalore: . 1999.