Παραπομπή σε μορφή APA (7η εκδ.)

Hjorth, G., & Kechris, A. S. (2005). Rigidity theorems for actions of product groups and countable Borel equivalence relations. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hjorth, Greg, και A. S. Kechris. Rigidity Theorems for Actions of Product Groups and Countable Borel Equivalence Relations. Providence, RI: American Mathematical Society, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hjorth, Greg, και A. S. Kechris. Rigidity Theorems for Actions of Product Groups and Countable Borel Equivalence Relations. American Mathematical Society, 2005.