Warrington, R. (2017). Material girl, mystical world: The now age guide to a high-vibe life. HarperElixir.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarrington, Ruby. Material Girl, Mystical World: The Now Age Guide to a High-vibe Life. San Francisco: HarperElixir, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWarrington, Ruby. Material Girl, Mystical World: The Now Age Guide to a High-vibe Life. HarperElixir, 2017.
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