THOMASHOW, Mitchell. To know the world : the new vision of environmental learning. Cambridge, MA : The MIT Press, 2020. 1 online zdroj (xii, 273 s.). Názov z titulnej obrazovky (verzia z 16.09.2021). Available on Internet: <https://direct.mit.edu/books/book/4973/To-Know-the-WorldA-New-Vision-for-Environmental> ISBN 978-0-2-623-6104-0.