APA-čujuhus (7. p.)
Maps.com (Firm) & ebrary, Inc. (1999). U.S. participation on the Western Front, 1918. Maps.com.
Chicago-čujuhus (17. p.)
Maps.com (Firm) juo Inc ebrary. U.S. Participation on the Western Front, 1918. [S.l.]: Maps.com, 1999.
MLA-čujuhus (9. p.)
Maps.com (Firm) juo Inc ebrary. U.S. Participation on the Western Front, 1918. Maps.com, 1999.
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