APA-referens (7:e uppl.)
Wittenweiler, H., & Jones, G. F. (2020). Wittenwiler's "Ring" and the Anonymous Scots Poem "Colkelbie Sow": Two Comic-Didactic Works from the Fifteenth Century. Project Muse.
Chicago-referens (17:e uppl.)
Wittenweiler, Heinrich, och George Fenwick Jones. Wittenwiler's "Ring" and the Anonymous Scots Poem "Colkelbie Sow": Two Comic-Didactic Works from the Fifteenth Century. Baltimore, Maryland: Project Muse, 2020.
MLA-referens (9:e uppl.)
Wittenweiler, Heinrich, och George Fenwick Jones. Wittenwiler's "Ring" and the Anonymous Scots Poem "Colkelbie Sow": Two Comic-Didactic Works from the Fifteenth Century. Project Muse, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.