APA-viite

Aswathanarayana, U. (1999). Soil resources and the environment. Oxford & IBH publishing co. pvt. ltd.

Chicago-tyylinen lähdeviittaus

Aswathanarayana, U. Soil Resources and the Environment. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1999.

MLA-viite

Aswathanarayana, U. Soil Resources and the Environment. Oxford & IBH publishing co. pvt. ltd, 1999.