Roethke, T. Moss-gathering: Theodore Roethke. The Midwest.(1979).
Lua i Stíl Chicago (17ú heag.)Roethke, Theodore. "Moss-gathering: Theodore Roethke." The Midwest.(1979) .
Lua MLA (8ú heag.)Roethke, Theodore. "Moss-gathering: Theodore Roethke." The Midwest.(1979), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.