Citazione Stile APA (7a Edizione)

Garfunkel, F. (1967). Observation of teachers and teaching: Strategies and applications. Office of Education.

Citazione stile Chigago Style (17a edizione)

Garfunkel, Frank. Observation of Teachers and Teaching: Strategies and Applications. Washington: Office of Education, 1967.

Citatione MLA (9a ed.)

Garfunkel, Frank. Observation of Teachers and Teaching: Strategies and Applications. Office of Education, 1967.