Stevens, M. (2021). Life in Colour: How Animals See the World. BBC Books.
Lua i Stíl Chicago (17ú heag.)Stevens, Martin. Life in Colour: How Animals See the World. London, UK: BBC Books, 2021.
Lua MLA (9ú heag.)Stevens, Martin. Life in Colour: How Animals See the World. BBC Books, 2021.
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