Macy, J., & Johnstone, C. (2012). Active hope: How to face the mess we're in without going crazy. New World Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacy, Joanna, और Chris Johnstone. Active Hope: How to Face the Mess We're in Without Going Crazy. Novato, Calif.: New World Library, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMacy, Joanna, और Chris Johnstone. Active Hope: How to Face the Mess We're in Without Going Crazy. New World Library, 2012.
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