Citace podle APA (7th ed.)
Duffy, J. (1972). Patrick in his own words. Veritas Publications.
Citace podle Chicago (17th ed.)
Duffy, Joseph. Patrick in His Own Words. Dublin: Veritas Publications, 1972.
Citace podle MLA (9th ed.)
Duffy, Joseph. Patrick in His Own Words. Veritas Publications, 1972.
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