Philippines (Republic) Bureau of Lands, Philippine. Islands. Bureau of Lands, & Philippines (Commonwealth) Bureau of Lands. (1977). Report [microform]. Photoduplication Service University of the Philippines Library.
芝加哥风格引文Philippines (Republic) Bureau of Lands, Philippine. Islands. Bureau of Lands, 与 Philippines (Commonwealth) Bureau of Lands. Report [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1977.
MLA引文Philippines (Republic) Bureau of Lands, et al. Report [microform]. Photoduplication Service University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.