APA

Gruber E. C., . (1971). How to score high on the national teacher examination. New York: Arco.

Chicago

Gruber Edward C, . 1971. How to score high on the national teacher examination. New York: Arco.

Harvard

Gruber E. C., . (1971). How to score high on the national teacher examination. New York: Arco.

MLA

Gruber Edward C, . How to score high on the national teacher examination. New York: Arco. 1971.