Sternberg, E. (1977). Farmers' decision making and agricultural development in the Krian District, Perak: A study. Jabatan Pertanian Negeri, Perak.
Chicago-viite (17. p.)Sternberg, Ernest. Farmers' Decision Making and Agricultural Development in the Krian District, Perak: A Study. [Ipoh]: Jabatan Pertanian Negeri, Perak, 1977.
MLA-viite (8. p.)Sternberg, Ernest. Farmers' Decision Making and Agricultural Development in the Krian District, Perak: A Study. Jabatan Pertanian Negeri, Perak, 1977.
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