Herrera, W. A. T. (1981). Managing mungbean (Vigna Radiata L.) for maximum productivity following rainfed lowland rice [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Herrera, Wilhelmino A. T. Managing Mungbean (Vigna Radiata L.) for Maximum Productivity Following Rainfed Lowland Rice [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1981.
MLA-referens (9:e uppl.)Herrera, Wilhelmino A. T. Managing Mungbean (Vigna Radiata L.) for Maximum Productivity Following Rainfed Lowland Rice [microform]. Photoduplication Service. University of the Philippines Library, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.