Cita APA (7th ed.)

Nelson, R. (1994). Soil erosion and conservation in the Philippine uplands: A review of the literature. SEAMO Regional Center for Graduate Study and Research in Agriculture.

Cita Chicago (17th ed.)

Nelson, R.A. Soil Erosion and Conservation in the Philippine Uplands: A Review of the Literature. Los Baños, Laguna: SEAMO Regional Center for Graduate Study and Research in Agriculture, 1994.

Cita MLA (9th ed.)

Nelson, R.A. Soil Erosion and Conservation in the Philippine Uplands: A Review of the Literature. SEAMO Regional Center for Graduate Study and Research in Agriculture, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.