APA
(1967). Evaluation as feedback and guide. Washington, USA: Association for Supervision and Curriculum Development of the National Education Association.
Chicago
1967. Evaluation as feedback and guide. Washington, USA: Association for Supervision and Curriculum Development of the National Education Association.
Harvard
(1967). Evaluation as feedback and guide. Washington, USA: Association for Supervision and Curriculum Development of the National Education Association.
MLA
Evaluation as feedback and guide. Washington, USA: Association for Supervision and Curriculum Development of the National Education Association. 1967.
