APA-viite (7. p.)
Rutherford, W. E. (2011). Whys & therefores: A rational look at the English language. Equinox Pub..
Chicago-viite (17. p.)
Rutherford, William E. Whys & Therefores: A Rational Look at the English Language. London ; Oakville, Conn.: Equinox Pub., 2011.
MLA-viite (9. p.)
Rutherford, William E. Whys & Therefores: A Rational Look at the English Language. Equinox Pub., 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.