Owen, R. D. (1848). Labor: Its history and prospects : an address delivered before the Young Men's Mercantile Library Association of Cincinnati on Tuesday, February 1, 1848. Cincinnati, Oh..
Chicago-referens (17:e uppl.)Owen, Robert Dale. Labor: Its History and Prospects : An Address Delivered Before the Young Men's Mercantile Library Association of Cincinnati on Tuesday, February 1, 1848. Cincinnati, Oh., 1848.
MLA-referens (8:e uppl.)Owen, Robert Dale. Labor: Its History and Prospects : An Address Delivered Before the Young Men's Mercantile Library Association of Cincinnati on Tuesday, February 1, 1848. Cincinnati, Oh., 1848.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.