Berwanger, D., Grädel, E., & Kreutzer, S. (2003). Once upon a time in the west – Determinacy‚ definability and complexity of path games. Springer.
Lua i Stíl Chicago (17ú heag.)Berwanger, D., E. Grädel, agus S. Kreutzer. Once upon a Time in the West – Determinacy‚ Definability and Complexity of Path Games. Springer, 2003.
Lua MLA (9ú heag.)Berwanger, D., et al. Once upon a Time in the West – Determinacy‚ Definability and Complexity of Path Games. Springer, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.