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APA-viiteMartin, S. (2005). The Cathars: The most successful heresy of the Middle Ages (First published in the UK by Pocket Essentials.). Thunder's Mouth Press ; Distributed by Publishers Group West.
Chicago-tyylinen lähdeviittausMartin, Sean. The Cathars: The Most Successful Heresy of the Middle Ages. First published in the UK by Pocket Essentials. New York : [Berkeley, Calif.]: Thunder's Mouth Press ; Distributed by Publishers Group West, 2005.
MLA-viiteMartin, Sean. The Cathars: The Most Successful Heresy of the Middle Ages. First published in the UK by Pocket Essentials. Thunder's Mouth Press ; Distributed by Publishers Group West, 2005.
Harvard-tyylinen lähdeviittausMartin, S. 2005. The Cathars: The most successful heresy of the Middle Ages. First published in the UK by Pocket Essentials. New York : [Berkeley, Calif.]: Thunder's Mouth Press ; Distributed by Publishers Group West.