Purpel, D. E., & Shapiro, H. S. (1995). Beyond liberation and excellence: Reconstructing the public discourse on education. Bergin & Garvey.
Lua i Stíl Chicago (17ú heag.)Purpel, David E., agus H. Svi Shapiro. Beyond Liberation and Excellence: Reconstructing the Public Discourse on Education. Westport, Conn: Bergin & Garvey, 1995.
Lua MLA (9ú heag.)Purpel, David E., agus H. Svi Shapiro. Beyond Liberation and Excellence: Reconstructing the Public Discourse on Education. Bergin & Garvey, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.