Lua APA (7ú heag.)
Parsons, C. (2007). John B. Armstrong: Texas Ranger and pioneer ranchman. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)
Parsons, Chuck. John B. Armstrong: Texas Ranger and Pioneer Ranchman. College Station: Texas A&M University Press, 2007.
Lua MLA (9ú heag.)
Parsons, Chuck. John B. Armstrong: Texas Ranger and Pioneer Ranchman. Texas A&M University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.