Cita APA (7th ed.)

Gregory, K. J., & Goudie, A. S. (2011). The Sage Handbook of Geomorphology. SAGE Publications India Pvt Ltd.

Cita Chicago (17th ed.)

Gregory, Kenneth J., i Andrew S. Goudie. The Sage Handbook of Geomorphology. New Delhi, India: SAGE Publications India Pvt Ltd, 2011.

Cita MLA (9th ed.)

Gregory, Kenneth J., i Andrew S. Goudie. The Sage Handbook of Geomorphology. SAGE Publications India Pvt Ltd, 2011.