Cita APA (7th ed.)
Collinwood, D. W. (1995). Global studies (3rd ed.). Dushkin Pub. Group.
Cita Chicago (17th ed.)
Collinwood, Dean W. Global Studies. 3rd ed. Guilford, Conn.: Dushkin Pub. Group, 1995.
Cita MLA (9th ed.)
Collinwood, Dean W. Global Studies. 3rd ed. Dushkin Pub. Group, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.