Authority. (1990). The cooperative code of the Philippines (RA No. 6938) and the cooperative development authority (RA No. 6939) with comments from COOP Leaders in the Philippines. Materials Development and Production Unit.
芝加哥风格引文Authority. The Cooperative Code of the Philippines (RA No. 6938) and the Cooperative Development Authority (RA No. 6939) with Comments from COOP Leaders in the Philippines. Quezon City: Materials Development and Production Unit, 1990.
MLA引文Authority. The Cooperative Code of the Philippines (RA No. 6938) and the Cooperative Development Authority (RA No. 6939) with Comments from COOP Leaders in the Philippines. Materials Development and Production Unit, 1990.
警告：这些引文格式不一定是100％准确.