Kharel, B. P., & Mulder, R. P. (1983). Fuelwood production in a plantation of Alnus Nepalensis (Utis) in the Phewa Watershed, Nepal. His Majesty's Govt. of Nepal : United Nations Development Programme : Food and Agriculture Organization of the United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kharel, B. P., و R. P. Mulder. Fuelwood Production in a Plantation of Alnus Nepalensis (Utis) in the Phewa Watershed, Nepal. Kathmandu: His Majesty's Govt. of Nepal : United Nations Development Programme : Food and Agriculture Organization of the United Nations, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kharel, B. P., و R. P. Mulder. Fuelwood Production in a Plantation of Alnus Nepalensis (Utis) in the Phewa Watershed, Nepal. His Majesty's Govt. of Nepal : United Nations Development Programme : Food and Agriculture Organization of the United Nations, 1983.