Cita APA (7th ed.)

Wirasinghe, S. (1980). Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Wirasinghe, Suranimala. Adoption of High Yielding Rice Farming Practices by the Rice Farmers in the Amparai District, Republic of Sri Lanka [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.

Cita MLA (9th ed.)

Wirasinghe, Suranimala. Adoption of High Yielding Rice Farming Practices by the Rice Farmers in the Amparai District, Republic of Sri Lanka [microform]. Photoduplication Service. University of the Philippines Library, 1980.