Wardle, P. (1970). Guide to english embroidery. Her Majesty's Stationary Office.
Chicago-referens (17:e uppl.)Wardle, Patricia. Guide to English Embroidery. London: Her Majesty's Stationary Office, 1970.
MLA-referens (9:e uppl.)Wardle, Patricia. Guide to English Embroidery. Her Majesty's Stationary Office, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.