May, R., Greening, T., & Rogers, C. (1984). American politics and humanistic pyschology. Saybrook Pub.
Lua i Stíl Chicago (17ú heag.)May, Rollo, Tom Greening, agus Carl Rogers. American Politics and Humanistic Pyschology. San Francisco: Saybrook Pub, 1984.
Lua MLA (9ú heag.)May, Rollo, et al. American Politics and Humanistic Pyschology. Saybrook Pub, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.