Grant, T., & Littlejohn, G. (2009). Teaching green: The high school years : hands-on learning in grades 9-12. New Society Publishers.
Citace podle Chicago (17th ed.)Grant, Tim, a Gail Littlejohn. Teaching Green: The High School Years : Hands-on Learning in Grades 9-12. Gabriola, British Columbia: New Society Publishers, 2009.
Citace podle MLA (9th ed.)Grant, Tim, a Gail Littlejohn. Teaching Green: The High School Years : Hands-on Learning in Grades 9-12. New Society Publishers, 2009.
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