Thomas, P., & Shiva, M. P. (1996). Collection and marketing of non-timber forest products by the Kerala girijans: A case study. Centre of Minor Forest Products.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Thomas, Philip, و M. P. Shiva. Collection and Marketing of Non-timber Forest Products by the Kerala Girijans: A Case Study. Dehra Dun: Centre of Minor Forest Products, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Thomas, Philip, و M. P. Shiva. Collection and Marketing of Non-timber Forest Products by the Kerala Girijans: A Case Study. Centre of Minor Forest Products, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.