APA-viite (7. p.)
Stebbins, R. C. (2012). Connecting with nature: A naturalist's perspective. National Science Teachers Association.
Chicago-viite (17. p.)
Stebbins, Robert C. Connecting with Nature: A Naturalist's Perspective. Arlington, Va.: National Science Teachers Association, 2012.
MLA-viite (9. p.)
Stebbins, Robert C. Connecting with Nature: A Naturalist's Perspective. National Science Teachers Association, 2012.
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