Elrod, H. (2019). The miracle equation: The two decisions that move your biggest goals from possible, to probabe, to inevitable. Harmony Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रElrod, Hal. The Miracle Equation: The Two Decisions That Move Your Biggest Goals from Possible, to Probabe, to Inevitable. New York: Harmony Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रElrod, Hal. The Miracle Equation: The Two Decisions That Move Your Biggest Goals from Possible, to Probabe, to Inevitable. Harmony Books, 2019.
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