Zedtwitz, M. E. C. v. (1906). The double doctrine of the Church of Rome. Fleming H. Revell company.
Lua i Stíl Chicago (17ú heag.)Zedtwitz, Mary Elizabeth Caldwell von. The Double Doctrine of the Church of Rome. New York, Chicago [etc.]: Fleming H. Revell company, 1906.
Lua MLA (8ú heag.)Zedtwitz, Mary Elizabeth Caldwell von. The Double Doctrine of the Church of Rome. Fleming H. Revell company, 1906.
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