Rubin, G. (2019). Outer order, inner calm: Declutter and organize to make more room for happiness (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRubin, Gretchen. Outer Order, Inner Calm: Declutter and Organize to Make More Room for Happiness. Unabridged. New York: Random House Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRubin, Gretchen. Outer Order, Inner Calm: Declutter and Organize to Make More Room for Happiness. Unabridged. Random House Audio, 2019.
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