Cita APA (7th ed.)

BEAUMONT, P. (1989). Dryland: Enviromental management and development. Routledge.

Cita Chicago (17th ed.)

BEAUMONT, Peter. Dryland: Enviromental Management and Development. London: Routledge, 1989.

Cita MLA (9th ed.)

BEAUMONT, Peter. Dryland: Enviromental Management and Development. Routledge, 1989.