HRYNKOW, Christopher. Macy & Johnstone, "Active Hope: How to Face the Mess We’re in Without Going Crazy". The Trumpeter, [S. l.], v. 29, n. 1, p. 73–75, 2012. Disponível em: https://trumpeter.athabascau.ca/index.php/trumpet/article/view/1292. Acesso em: 4 may. 2024.