Гэй Хендрикс, The Big Leap: Conquer Your Hidden Fear and Take Life to the Next Level (New York: HarperOne, 2010).
49
Стивен Левин, Healing into Life and Death (New York: Anchor Books, 1987).
50
Эирн Ларго-Уайт и др., статья Healthy Workplaces: The Effects of Nature Contact at Work on Employee Stress and Health в Public Health Report 126, приложение 1 (2011): 124–30. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072911/
