APA-viite

Cheesman, J., & Huggett, R. (2002). Topography and the environment. Pearson Education Ltd..

Chicago-tyylinen lähdeviittaus

Cheesman, Jo, ja Richard Huggett. Topography and the Environment. U.K: Pearson Education Ltd., 2002.

MLA-viite

Cheesman, Jo, ja Richard Huggett. Topography and the Environment. Pearson Education Ltd., 2002.