Unknown. (2023). Four metres standard timber truss for heavy weight roof (A timber engineering handbook series). Manger of Publications, Government of India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Unknown. Four Metres Standard Timber Truss for Heavy Weight Roof (A Timber Engineering Handbook Series). Manger of Publications, Government of India, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Unknown. Four Metres Standard Timber Truss for Heavy Weight Roof (A Timber Engineering Handbook Series). Manger of Publications, Government of India, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.