Cita APA (7th ed.)

Nelson, R. (1996). Erosion / productivity modelling of maize farming in the Philippine uplands. SEAMEO Regional Center for Graduate Study and Research in Agriculture.

Cita Chicago (17th ed.)

Nelson, R.A. Erosion / Productivity Modelling of Maize Farming in the Philippine Uplands. Los Baños, Laguna: SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1996.

Cita MLA (9th ed.)

Nelson, R.A. Erosion / Productivity Modelling of Maize Farming in the Philippine Uplands. SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1996.