Goodburn-Brown, D., & Jones, J. (1998). Look after the pennies: Numismatics and conservation in the 1990s. London: Archetype Publications.
استشهاد بنمط شيكاغوGoodburn-Brown, Dana,, و Julie Jones. Look After the Pennies: Numismatics and Conservation in the 1990s. London: Archetype Publications, 1998.
MLA استشهادGoodburn-Brown, Dana,, و Julie Jones. Look After the Pennies: Numismatics and Conservation in the 1990s. London: Archetype Publications, 1998.
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