Bedford, L. (2013). Charting secrets: Trade like a machine and finally beat the markets using these bulletproof strategies (Rev. ed.). Wrightbooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBedford, Louise. Charting Secrets: Trade like a Machine and Finally Beat the Markets Using These Bulletproof Strategies. Rev. ed. Milton, Qld.: Wrightbooks, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBedford, Louise. Charting Secrets: Trade like a Machine and Finally Beat the Markets Using These Bulletproof Strategies. Rev. ed. Wrightbooks, 2013.
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