Crosby, T. (1973). How to play the environment game: Theo Crosby. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Crosby, Theo. How to Play the Environment Game: Theo Crosby. Baltimore [u.a.]: Penguin Books, 1973.
Lua MLA (8ú heag.)Crosby, Theo. How to Play the Environment Game: Theo Crosby. Penguin Books, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.