Bates, T., Ewert, A. W., Gilbertson, K., & Siklander, P. (2023). Outdoor education: Methods and strategies (Second edition.). Human Kinetics.
Lua i Stíl Chicago (17ú heag.)Bates, Timothy, Alan W. Ewert, Ken Gilbertson, agus Pirkko Siklander. Outdoor Education: Methods and Strategies. Second edition. Champaign, IL: Human Kinetics, 2023.
Lua MLA (9ú heag.)Bates, Timothy, et al. Outdoor Education: Methods and Strategies. Second edition. Human Kinetics, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.