Northern Illinois University. Lorado Taft Field Campus. Faculty in Outdoor Teacher Education & Swan, M. D. (1995). Tips and tricks in outdoor education: Approaches to providing children with educational experiences in the outdoors (5th ed.). Interstate Publishers.
Цитирование в стиле Чикаго (17-е изд.)Northern Illinois University. Lorado Taft Field Campus. Faculty in Outdoor Teacher Education и Malcolm D. Swan. Tips and Tricks in Outdoor Education: Approaches to Providing Children with Educational Experiences in the Outdoors. 5th ed. Danville, Ill.: Interstate Publishers, 1995.
Цитирование MLA (8-е изд.)Northern Illinois University. Lorado Taft Field Campus. Faculty in Outdoor Teacher Education и Malcolm D. Swan. Tips and Tricks in Outdoor Education: Approaches to Providing Children with Educational Experiences in the Outdoors. 5th ed. Interstate Publishers, 1995.