Cross, K. P. (1981). Adults as learners: Increasing participation and facilitating learners. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Cross, K. Patricia. Adults as Learners: Increasing Participation and Facilitating Learners. San Francisco: Jossey-Bass, 1981.
Lua MLA (8ú heag.)Cross, K. Patricia. Adults as Learners: Increasing Participation and Facilitating Learners. Jossey-Bass, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.