APA-čujuhus (7. p.)
Cooling, B. F., & Owen, W. H. (2010). Mr. Lincoln's forts: A guide to the Civil War defenses of Washington (New ed.). Scarecrow Press.
Chicago-čujuhus (17. p.)
Cooling, B. Franklin, juo Walton H. Owen. Mr. Lincoln's Forts: A Guide to the Civil War Defenses of Washington. New ed. Lanham, Md.: Scarecrow Press, 2010.
MLA-čujuhus (9. p.)
Cooling, B. Franklin, juo Walton H. Owen. Mr. Lincoln's Forts: A Guide to the Civil War Defenses of Washington. New ed. Scarecrow Press, 2010.
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