Cita APA (7a ed.)

Gray, J. 1. m. 2. (1990). The quality of schooling: Frameworks for judgement. [s.n.].

Cita Chicago Style (17a ed.)

Gray, John 1948 mar. 25-. The Quality of Schooling: Frameworks for Judgement. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Gray, John 1948 mar. 25-. The Quality of Schooling: Frameworks for Judgement. [s.n.], 1990.