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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.