Poma, A. (1997). The critical philosophy of Hermann Cohen: La filosofia critica di Hermann Cohen. State University of New York Press.

Poma, Andrea. The Critical Philosophy of Hermann Cohen: La Filosofia Critica Di Hermann Cohen. Albany: State University of New York Press, 1997.

Poma, Andrea. The Critical Philosophy of Hermann Cohen: La Filosofia Critica Di Hermann Cohen. State University of New York Press, 1997.