Trzeciak, S., & Mazzarelli, A. (2022). Wonder drug: 7 scientifically proven ways that serving others is the best medicine for yourself (First edition.). St. Martin's Essentials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrzeciak, Stephen, और Anthony Mazzarelli. Wonder Drug: 7 Scientifically Proven Ways That Serving Others Is the Best Medicine for Yourself. First edition. New York: St. Martin's Essentials, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTrzeciak, Stephen, और Anthony Mazzarelli. Wonder Drug: 7 Scientifically Proven Ways That Serving Others Is the Best Medicine for Yourself. First edition. St. Martin's Essentials, 2022.
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