Cita APA (7th ed.)

RATAN, L. (1990). SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. MCGRAW HILL BOOK CO.

Cita Chicago (17th ed.)

RATAN, LAL. SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. NEW-YORK: MCGRAW HILL BOOK CO, 1990.

Cita MLA (9th ed.)

RATAN, LAL. SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. MCGRAW HILL BOOK CO, 1990.