Ferguson, D. E., & Ferguson, D. E. (1991). User's guide to version 2 of the regeneration establishment model: Part of the prognosis model. Intermountain Research Station.
Chicago-čujuhus (17. p.)Ferguson, Dennis E., juo Dennis E. Ferguson. User's Guide to Version 2 of the Regeneration Establishment Model: Part of the Prognosis Model. Ogden: Intermountain Research Station, 1991.
MLA-čujuhus (9. p.)Ferguson, Dennis E., juo Dennis E. Ferguson. User's Guide to Version 2 of the Regeneration Establishment Model: Part of the Prognosis Model. Intermountain Research Station, 1991.
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