Easton, G. (1992). Learning from case studies (2nd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Easton, Geoff. Learning from Case Studies. 2nd ed. New York: Prentice-Hall, 1992.
Cita MLA (9th ed.)Easton, Geoff. Learning from Case Studies. 2nd ed. Prentice-Hall, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.