Psychology of Women at Work: Challenges and Solutions for Our Female Workforce. ABC-CLIO. 2008: 153 [2021-08-30]. ISBN 978-0-275-99677-2. (原始内容存档于2021-10-20)
Forest service spending on large wildfires in the West (PDF). Ecosystem Workforce Program. 2012, 41: 1–16 [2023-05-31]. (原始内容存档 (PDF)于2023-03-15). Region