APA (7. basım) Alıntı

Apil, F. W. (1983). Abstracts and summaries of geological investigations. Bureau of Mines and Geo-Sciences.

Chicago Style (17. basım) Atıf

Apil, Fay Wangdali. Abstracts and Summaries of Geological Investigations. Baguio City: Bureau of Mines and Geo-Sciences, 1983.

MLA (9th ed.) Atıf

Apil, Fay Wangdali. Abstracts and Summaries of Geological Investigations. Bureau of Mines and Geo-Sciences, 1983.