Sulner, H. (1966). Disputed Documents: New Methods for Examining Qustioned Documents. Occana.
Dyfyniad Arddull ChicagoSulner, Hanna. Disputed Documents: New Methods for Examining Qustioned Documents. New York: Occana, 1966.
Dyfyniad MLASulner, Hanna. Disputed Documents: New Methods for Examining Qustioned Documents. Occana, 1966.
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