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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.