(1981). Silvicultural biomass and its utilizations for energy production: A study commissioned jointly by the government of the Republic of Finland and the government of the Republic of the Philippines. Manila Seedling Bank Foundation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Silvicultural Biomass and Its Utilizations for Energy Production: A Study Commissioned Jointly by the Government of the Republic of Finland and the Government of the Republic of the Philippines. [Quezon City]: Manila Seedling Bank Foundation, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Silvicultural Biomass and Its Utilizations for Energy Production: A Study Commissioned Jointly by the Government of the Republic of Finland and the Government of the Republic of the Philippines. Manila Seedling Bank Foundation, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.