APA-čujuhus (7. p.)
Parsons, C. (2007). John B. Armstrong: Texas Ranger and pioneer ranchman. Texas A&M University Press.
Chicago-čujuhus (17. p.)
Parsons, Chuck. John B. Armstrong: Texas Ranger and Pioneer Ranchman. College Station: Texas A&M University Press, 2007.
MLA-čujuhus (9. p.)
Parsons, Chuck. John B. Armstrong: Texas Ranger and Pioneer Ranchman. Texas A&M University Press, 2007.
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