National Fertilizer Corporation of Pakistan & United States. Agency for International Development. (1976). Distribution and use of fertilizer in Pakistan: General farmer s investigation survey :an interim report. National Fertilizer Corporation of Pakistan limited.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Fertilizer Corporation of Pakistan và United States. Agency for International Development. Distribution and Use of Fertilizer in Pakistan: General Farmer S Investigation Survey :an Interim Report. Lahore, [Pakistan]: National Fertilizer Corporation of Pakistan limited, 1976.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Fertilizer Corporation of Pakistan và United States. Agency for International Development. Distribution and Use of Fertilizer in Pakistan: General Farmer S Investigation Survey :an Interim Report. National Fertilizer Corporation of Pakistan limited, 1976.