De Zulueta, F. (1939). Don Antonio Agustin: Being the eightth lecture on the David Murray Foundation in the University of Glasgow delivered on February 24th, 1939. Jackson.
Chicago-referens (17:e uppl.)De Zulueta, Francis. Don Antonio Agustin: Being the Eightth Lecture on the David Murray Foundation in the University of Glasgow Delivered on February 24th, 1939. Glasgow: Jackson, 1939.
MLA-referens (8:e uppl.)De Zulueta, Francis. Don Antonio Agustin: Being the Eightth Lecture on the David Murray Foundation in the University of Glasgow Delivered on February 24th, 1939. Jackson, 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.