Hartt, J. (1961). The Mighty Thor. New York: Duell, Sloan and Pearce.
Trích dẫn kiểu ChicagoHartt, Julian. The Mighty Thor. New York: Duell, Sloan and Pearce, 1961.
Deismireacht MLAHartt, Julian. The Mighty Thor. New York: Duell, Sloan and Pearce, 1961.
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