(2011). Soil & Environment. Soil Science Society of Pakistan (SSSP).
Cita Chicago Style (17a ed.)Soil & Environment. Soil Science Society of Pakistan (SSSP), 2011.
Cita MLA (9a ed.)Soil & Environment. Soil Science Society of Pakistan (SSSP), 2011.
Precaución: Estas citas no son 100% exactas.