Townsend, M. B. (2010). Yankee warhorse: A biography of Major General Peter Osterhaus. University of Missouri Press.
Lua i Stíl Chicago (17ú heag.)Townsend, Mary Bobbitt. Yankee Warhorse: A Biography of Major General Peter Osterhaus. Columbia: University of Missouri Press, 2010.
Lua MLA (9ú heag.)Townsend, Mary Bobbitt. Yankee Warhorse: A Biography of Major General Peter Osterhaus. University of Missouri Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.