APA

Booth W. C., Colomb G. G. & Williams J. M. (2011). The craft of research. Chicago, Ill. [u.a.]: University of Chicago Press.

Chicago

Booth Wayne C, Colomb Gregory G and Williams Joseph M. 2011. The craft of research. Chicago, Ill. [u.a.]: University of Chicago Press.

Harvard

Booth W. C., Colomb G. G. and Williams J. M. (2011). The craft of research. Chicago, Ill. [u.a.]: University of Chicago Press.

MLA

Booth Wayne C, Colomb Gregory G and Williams Joseph M. The craft of research. Chicago, Ill. [u.a.]: University of Chicago Press. 2011.