Merkoša sitáhtat

APA-čujuhus (7. p.)
Estados Unidos Coast and Geodetic Survey & Andrew B. Graham Co. Photo Lithographers. (1909). Sketch of general Progress. U. S. Coast and Geodetic Survey.
Chicago-čujuhus (17. p.)
Estados Unidos Coast and Geodetic Survey juo Andrew B. Graham Co. Photo Lithographers. Sketch of General Progress. U. S. Coast and Geodetic Survey, 1909.
MLA-čujuhus (9. p.)
Estados Unidos Coast and Geodetic Survey juo Andrew B. Graham Co. Photo Lithographers. Sketch of General Progress. U. S. Coast and Geodetic Survey, 1909.
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