Cagampang, I. C. (1977). Effects of crop rotation and straw management on yield and agronomic characters of rice in a heavy clay soil [microform]. Photoduplication Service.
Cita Chicago (17th ed.)Cagampang, Isaac C. Effects of Crop Rotation and Straw Management on Yield and Agronomic Characters of Rice in a Heavy Clay Soil [microform]. Quezon City: Photoduplication Service, 1977.
Cita MLA (9th ed.)Cagampang, Isaac C. Effects of Crop Rotation and Straw Management on Yield and Agronomic Characters of Rice in a Heavy Clay Soil [microform]. Photoduplication Service, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.