Martindale, C. C. (1937). The difficult commandment: Notes on self-control especially for young men (9th ed.). P.J. Kennedy & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMartindale, C. C. The Difficult Commandment: Notes on Self-control Especially for Young Men. 9th ed. New York: P.J. Kennedy & Sons, 1937.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMartindale, C. C. The Difficult Commandment: Notes on Self-control Especially for Young Men. 9th ed. P.J. Kennedy & Sons, 1937.
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