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Cita Chicago (17th ed.)Northern Illinois University. Lorado Taft Field Campus. Faculty in Outdoor Teacher Education i 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.
Cita MLA (8th ed.)Northern Illinois University. Lorado Taft Field Campus. Faculty in Outdoor Teacher Education i Malcolm D. Swan. Tips and Tricks in Outdoor Education: Approaches to Providing Children with Educational Experiences in the Outdoors. 5th ed. Interstate Publishers, 1995.