APA-viite

Twidale, C. R. (1976). Analysis of landforms. John Wiley.

Chicago-tyylinen lähdeviittaus

Twidale, C. R. Analysis of Landforms. Sydney: John Wiley, 1976.

MLA-viite

Twidale, C. R. Analysis of Landforms. John Wiley, 1976.