Analysis of information sources in references of the Wikipedia article "Robert Half" in English language version.
{{cite journal}}: CS1 maint: multiple names: authors list (link) This information is derived from the following source: Wernick, Ellen; Gariepy, Jennifer (2005). "Robert Half International Inc.". In Grant, Tina (ed.). International Directory of Company Histories (IDCH). IDCH, Gale Reference Library (Derdak, Thomas, series ed.). Vol. 70. Detroit, MI: Gale/St. James Press. ISBN 1558625453. Retrieved February 27, 2017.[verification needed] Note, this compilation reports, to a significant degree, information self-reported by the company, and so constitutes information not strictly third-party in nature.{{cite journal}}: CS1 maint: multiple names: authors list (link) This information is derived from the following source: Wernick, Ellen; Gariepy, Jennifer (2005). "Robert Half International Inc.". In Grant, Tina (ed.). International Directory of Company Histories (IDCH). IDCH, Gale Reference Library (Derdak, Thomas, series ed.). Vol. 70. Detroit, MI: Gale/St. James Press. ISBN 1558625453. Retrieved February 27, 2017.[verification needed] Note, this compilation reports, to a significant degree, information self-reported by the company, and so constitutes information not strictly third-party in nature.