LINK, M. (1981). Outdoor education: A manual for teaching in nature's classroom. Prentice-Hall.
Chicago-čujuhus (17. p.)LINK, Michael. Outdoor Education: A Manual for Teaching in Nature's Classroom. New Jersey: Prentice-Hall, 1981.
MLA-čujuhus (9. p.)LINK, Michael. Outdoor Education: A Manual for Teaching in Nature's Classroom. Prentice-Hall, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.