Cita APA

SINGH, H. P., & TRIPATHI, R. P. (1998). SOIL EROSION AND CONSERVATION.

Citación estilo Chicago

SINGH, H P., y R P. TRIPATHI. SOIL EROSION AND CONSERVATION. NEW DELHI, NEW AGE INTERNATIONAL, 1998.

Cita MLA

SINGH, H P., y R P. TRIPATHI. SOIL EROSION AND CONSERVATION. 1998.