Cita APA (7th ed.)
Savickey, B. (1999). Wittgenstein's art of investigation. Routledge.
Cita Chicago (17th ed.)
Savickey, Beth. Wittgenstein's Art of Investigation. London ; New York: Routledge, 1999.
Cita MLA (9th ed.)
Savickey, Beth. Wittgenstein's Art of Investigation. Routledge, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.