Willeke, B. H. (1948). Imperial government and Catholic missions in China during the years 1784-1785. Franciscan Institute.
Chicago-viite (17. p.)Willeke, Bernward Henry. Imperial Government and Catholic Missions in China During the Years 1784-1785. St. Bonaventure, N.Y.: Franciscan Institute, 1948.
MLA-viite (8. p.)Willeke, Bernward Henry. Imperial Government and Catholic Missions in China During the Years 1784-1785. Franciscan Institute, 1948.
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