Park, S. (1992). Seri Eyewitness: Batu & Mineral. PT. Bentara Antar Asia.
Chicago Style (17th ed.) CitationPark, Steve. Seri Eyewitness: Batu & Mineral. PT. Bentara Antar Asia, 1992.
MLA (8th ed.) CitationPark, Steve. Seri Eyewitness: Batu & Mineral. PT. Bentara Antar Asia, 1992.
Warning: These citations may not always be 100% accurate.