Sawyer. A Hundred Years of Texas Waterfowl Hunting. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Sawyer. A Hundred Years of Texas Waterfowl Hunting. Texas A&M University Press.
Lua MLA (9ú heag.)Sawyer. A Hundred Years of Texas Waterfowl Hunting. Texas A&M University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.