Παραπομπή σε μορφή APA (7η εκδ.)

Berwanger, D., Grädel, E., & Kreutzer, S. (2003). Once upon a time in the west – Determinacy‚ definability and complexity of path games. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Berwanger, D., E. Grädel, και S. Kreutzer. Once upon a Time in the West – Determinacy‚ Definability and Complexity of Path Games. Springer, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Berwanger, D., et al. Once upon a Time in the West – Determinacy‚ Definability and Complexity of Path Games. Springer, 2003.