Booth, W. C., Colomb, G. G., & Williams, J. M. (2008). The craft of research (3a. ed.). The University of Chicago Press.
Cita Chicago (17th ed.)Booth, Wayne C., Gregory G. Colomb, i Joseph M. Williams. The Craft of Research. 3a. ed. Chicago: The University of Chicago Press, 2008.
Cita MLA (9th ed.)Booth, Wayne C., et al. The Craft of Research. 3a. ed. The University of Chicago Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.