APA-viite

Ford, D., & Williams, P. (2007). Karst hydrogeology and geomorphology. John Wiley.

Chicago-tyylinen lähdeviittaus

Ford, Derek, ja Paul Williams. Karst Hydrogeology and Geomorphology. Chichester: John Wiley, 2007.

MLA-viite

Ford, Derek, ja Paul Williams. Karst Hydrogeology and Geomorphology. John Wiley, 2007.