Παραπομπή σε μορφή APA (7η εκδ.)

Penning de Vries, F., Agus, F., & Kerr, J. (1998). Soil erosion at multiple scales: Principles and methods for assessing causes and impacts. CABI Publishing; International Board for Soil Research and Management.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Penning de Vries, F.W.T, F. Agus, και J. Kerr. Soil Erosion at Multiple Scales: Principles and Methods for Assessing Causes and Impacts. New York: CABI Publishing; International Board for Soil Research and Management, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Penning de Vries, F.W.T, et al. Soil Erosion at Multiple Scales: Principles and Methods for Assessing Causes and Impacts. CABI Publishing; International Board for Soil Research and Management, 1998.