Apil, F. W. (1983). Abstracts and summaries of geological investigations. Bureau of Mines and Geo-Sciences.
Chicago Style (17th ed.) CitationApil, Fay Wangdali. Abstracts and Summaries of Geological Investigations. Baguio City: Bureau of Mines and Geo-Sciences, 1983.
MLA (9th ed.) CitationApil, Fay Wangdali. Abstracts and Summaries of Geological Investigations. Bureau of Mines and Geo-Sciences, 1983.
Warning: These citations may not always be 100% accurate.