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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe 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.
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