Cita APA (7th ed.)
(2011). Soil & Environment. Soil Science Society of Pakistan (SSSP).
Cita Chicago (17th ed.)
Soil & Environment. Soil Science Society of Pakistan (SSSP), 2011.
Cita MLA (9th ed.)
Soil & Environment. Soil Science Society of Pakistan (SSSP), 2011.
Atenció: Aquestes cites poden no estar 100% correctes.