Niemann, D. (2012). Ecothrifty: Cheaper, greener choices for a happier, healthier life. New Society Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNiemann, Deborah. Ecothrifty: Cheaper, Greener Choices for a Happier, Healthier Life. Gabriola, BC: New Society Publishers, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNiemann, Deborah. Ecothrifty: Cheaper, Greener Choices for a Happier, Healthier Life. New Society Publishers, 2012.
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