Orr, A., Nazrul Islam, A. S. M., & Barnes, G. (1991). The Treadle pump: Manual of irrigation for small farmers in Bangladesh. Rangpur Dinajpur Rural Service.
Цитирование в стиле Чикаго (17-е изд.)Orr, Alastair, A. S. M. Nazrul Islam, и Gunnar Barnes. The Treadle Pump: Manual of Irrigation for Small Farmers in Bangladesh. Dhaka, Bangladesh: Rangpur Dinajpur Rural Service, 1991.
Цитирование MLA (8-е изд.)Orr, Alastair, et al. The Treadle Pump: Manual of Irrigation for Small Farmers in Bangladesh. Rangpur Dinajpur Rural Service, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.