Cita APA

Heckman, G., & Grant Heckman; David Ingre. (2008). Thomson Engineering guide to web research 2007-2008. Toronto, Ont: Thomson Engineering.

Citación estilo Chicago

Heckman, Grant, y Grant Heckman; David Ingre. Thomson Engineering Guide to Web Research 2007-2008. Toronto, Ont: Thomson Engineering, 2008.

Cita MLA

Heckman, Grant, y Grant Heckman; David Ingre. Thomson Engineering Guide to Web Research 2007-2008. Toronto, Ont: Thomson Engineering, 2008.