North Carolina State Forest Fertilization Cooperative & North Carolina State University. School of Forest Resources. Annual report. School of Forest Resources, North Carolina State University.
Cita Chicago (17th ed.)North Carolina State Forest Fertilization Cooperative i North Carolina State University. School of Forest Resources. Annual Report. Raleigh,: School of Forest Resources, North Carolina State University.
Cita MLA (8th ed.)North Carolina State Forest Fertilization Cooperative i North Carolina State University. School of Forest Resources. Annual Report. School of Forest Resources, North Carolina State University.
Atenció: Aquestes cites poden no estar 100% correctes.