Sternberg, E. (1977). Farmers' decision making and agricultural development in the Krian District, Perak: A study. Jabatan Pertanian Negeri, Perak.
Chicago-referens (17:e uppl.)Sternberg, Ernest. Farmers' Decision Making and Agricultural Development in the Krian District, Perak: A Study. [Ipoh]: Jabatan Pertanian Negeri, Perak, 1977.
MLA-referens (8:e uppl.)Sternberg, Ernest. Farmers' Decision Making and Agricultural Development in the Krian District, Perak: A Study. Jabatan Pertanian Negeri, Perak, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.