Francisco, F. U., & Comsti, F. A. (1953). Limestone and guano resources of southern Cotabato and Maramag, Bukidnon. Bureau of Mines.
芝加哥风格引文Francisco, Felipe U., 与 Francisco A. Comsti. Limestone and Guano Resources of Southern Cotabato and Maramag, Bukidnon. Manila: Bureau of Mines, 1953.
MLA引文Francisco, Felipe U., 与 Francisco A. Comsti. Limestone and Guano Resources of Southern Cotabato and Maramag, Bukidnon. Bureau of Mines, 1953.
警告：这些引文格式不一定是100％准确.