APA (7 वां संस्करण) प्रशस्ति पत्र
Gordon, J. (2007). The energy bus: 10 rules to fuel your life, work, and team with positive energy. John wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gordon, John. The Energy Bus: 10 Rules to Fuel Your Life, Work, and Team with Positive Energy. Hoboken: John wiley & Sons, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gordon, John. The Energy Bus: 10 Rules to Fuel Your Life, Work, and Team with Positive Energy. John wiley & Sons, 2007.
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