Cita APA

Bryant, I., & Usher, R. (1989). Adult education as theory, practice and research: The captive triangle. Routledge.

Chicago Edition Citation

Bryant, Ian, i Robin Usher. Adult Education as Theory, Practice and Research: The Captive Triangle. London: Routledge, 1989.

Cita MLA

Bryant, Ian, i Robin Usher. Adult Education as Theory, Practice and Research: The Captive Triangle. Routledge, 1989.