Wohlleben, P., & Billinghurst, J. (2017). The inner life of animals: Love, grief, and compassion : surprising observations of a hidden world. Greystone Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWohlleben, Peter, और Jane Billinghurst. The Inner Life of Animals: Love, Grief, and Compassion : Surprising Observations of a Hidden World. Vancouver ; Berkeley: Greystone Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWohlleben, Peter, और Jane Billinghurst. The Inner Life of Animals: Love, Grief, and Compassion : Surprising Observations of a Hidden World. Greystone Books, 2017.
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