APA (7e ed.) Bronvermelding

(1990). The relationship of classroom thoughtfulness to students' higher order thinking: Preliminary results in high school social studies / Fred M. Newmann.

Chicago (17e ed.) Bronvermelding

The Relationship of Classroom Thoughtfulness to Students' Higher Order Thinking: Preliminary Results in High School Social Studies / Fred M. Newmann. 1990.

MLA (9e ed.) Bronvermelding

The Relationship of Classroom Thoughtfulness to Students' Higher Order Thinking: Preliminary Results in High School Social Studies / Fred M. Newmann. 1990.