Owen Greening, E. (1917). The Story of the Life of George Jacob Holyoake. Manchester: Co-operative Union.
Chicago-referens (17:e uppl.)Owen Greening, Edward. The Story of the Life of George Jacob Holyoake. Manchester: Co-operative Union, 1917.
MLA-referens (8:e uppl.)Owen Greening, Edward. The Story of the Life of George Jacob Holyoake. Manchester: Co-operative Union, 1917.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.