APA-viite (7. p.)
Callicott, J. B. (1987). Companion to A Sand County almanac: Interpretive & critical essays. Univ. Of Wisconsin Press.
Chicago-viite (17. p.)
Callicott, J. Baird. Companion to A Sand County Almanac: Interpretive & Critical Essays. Madison, Wis.: Univ. Of Wisconsin Press, 1987.
MLA-viite (9. p.)
Callicott, J. Baird. Companion to A Sand County Almanac: Interpretive & Critical Essays. Univ. Of Wisconsin Press, 1987.
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