Tohutoro APA (7th ed.)
Helm, P. (2008). Calvin: A guide for the perplexed. T & T Clark.
Tohutoru Kātū Chicago (17th ed.)
Helm, Paul. Calvin: A Guide for the Perplexed. London ; New York: T & T Clark, 2008.
Tohutoro MLA (9th ed.)
Helm, Paul. Calvin: A Guide for the Perplexed. T & T Clark, 2008.
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