Gunaratne, H. S. (1967). Rocks and minerals of Ceylon. Department of National Museums.
Chicago Style (17th ed.) CitationGunaratne, H. S. Rocks and Minerals of Ceylon. Colombo: Department of National Museums, 1967.
MLA (9th ed.) CitationGunaratne, H. S. Rocks and Minerals of Ceylon. Department of National Museums, 1967.
Warning: These citations may not always be 100% accurate.