Pb.Triton. (2009). Sejarah Bumi dan Bencana alam. Tugu Publisher.
Chicago Style (17th ed.) CitationPb.Triton. Sejarah Bumi Dan Bencana Alam. Tugu Publisher, 2009.
MLA (8th ed.) CitationPb.Triton. Sejarah Bumi Dan Bencana Alam. Tugu Publisher, 2009.
Warning: These citations may not always be 100% accurate.