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Dyfyniad Arddull ChicagoCalifana, Anthony L Levkov. Criminalistics for the Law Enforcement Officer. New York: McGarw-Hill, 1978.
Dyfyniad MLACalifana, Anthony L Levkov. Criminalistics for the Law Enforcement Officer. McGarw-Hill, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.