APA-viite

Topping, J. (1971). Errors of observation and their treatment (3rd ed.). London.

Chicago-tyylinen lähdeviittaus

Topping, J. Errors of Observation and Their Treatment. 3rd ed. London, 1971.

MLA-viite

Topping, J. Errors of Observation and Their Treatment. 3rd ed. London, 1971.