APA (7e ed.) Bronvermelding

Shurter, R. L. (1966). Critical thinking. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Shurter, Robert L. Critical Thinking. New York: McGraw-Hill, 1966.

MLA (9e ed.) Bronvermelding

Shurter, Robert L. Critical Thinking. McGraw-Hill, 1966.