Hempl, G. (1887). Whist scores and card-table talk: With a bibliography of whist. A.C. McClurg and company.
Chicago-referens (17:e uppl.)Hempl, George. Whist Scores and Card-table Talk: With a Bibliography of Whist. Chicago: A.C. McClurg and company, 1887.
MLA-referens (8:e uppl.)Hempl, George. Whist Scores and Card-table Talk: With a Bibliography of Whist. A.C. McClurg and company, 1887.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.