Cita APA (7th ed.)
Herrmann, P. (2009). Historiography of social professional activity. Nova Science Publishers.
Cita Chicago (17th ed.)
Herrmann, Peter. Historiography of Social Professional Activity. New York: Nova Science Publishers, 2009.
Cita MLA (9th ed.)
Herrmann, Peter. Historiography of Social Professional Activity. Nova Science Publishers, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.