DANUSAPUTRA, S. M. (1981). Environmental Education And Training (supporting Programme For The Development Of Environmental Law). Binacipta Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)DANUSAPUTRA, ST. Munadjat. Environmental Education And Training (supporting Programme For The Development Of Environmental Law). Binacipta Publishing, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)DANUSAPUTRA, ST. Munadjat. Environmental Education And Training (supporting Programme For The Development Of Environmental Law). Binacipta Publishing, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.