APA-čujuhus (7. p.)
ebrary, Inc, & Folmar, J. K. (1986). "This State of wonders": The letters of an Iowa frontier family, 1858-1861. University of Iowa Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo John Kent Folmar. "This State of Wonders": The Letters of an Iowa Frontier Family, 1858-1861. Iowa City: University of Iowa Press, 1986.
MLA-čujuhus (9. p.)
ebrary, Inc, juo John Kent Folmar. "This State of Wonders": The Letters of an Iowa Frontier Family, 1858-1861. University of Iowa Press, 1986.
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