APA (7e ed.) Bronvermelding

Fraenkel, J. R. (1973). Helping students think and value: Strategies for teaching the social studies. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Fraenkel, Jack R. Helping Students Think and Value: Strategies for Teaching the Social Studies. Englewood Cliffs, N.J., Manila: Prentice-Hall, 1973.

MLA (9e ed.) Bronvermelding

Fraenkel, Jack R. Helping Students Think and Value: Strategies for Teaching the Social Studies. Prentice-Hall, 1973.