Faulkner, R. S. (2012). The school of hard knocks: Combat leadership in the American Expeditionary Forces. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Faulkner, Richard Shawn. The School of Hard Knocks: Combat Leadership in the American Expeditionary Forces. College Station, Tex.: Texas A&M University Press, 2012.
Lua MLA (9ú heag.)Faulkner, Richard Shawn. The School of Hard Knocks: Combat Leadership in the American Expeditionary Forces. Texas A&M University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.