Swan, M. D. (1983). Tips and tricks in outdoor education: Approaches to providing children with educational experiences in the outdoors. Interstate Printers.
Cita Chicago (17th ed.)Swan, Malcolm D. Tips and Tricks in Outdoor Education: Approaches to Providing Children with Educational Experiences in the Outdoors. Danville, Ill: Interstate Printers, 1983.
Cita MLA (9th ed.)Swan, Malcolm D. Tips and Tricks in Outdoor Education: Approaches to Providing Children with Educational Experiences in the Outdoors. Interstate Printers, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.