Não informado. (2016). Agronomic-Economic Research on Tropical Soils, Annual Report. North Carolina State University, Soil Science Department.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Agronomic-Economic Research on Tropical Soils, Annual Report. Raleigh, NC: North Carolina State University, Soil Science Department, 2016.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Agronomic-Economic Research on Tropical Soils, Annual Report. North Carolina State University, Soil Science Department, 2016.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.