Παραπομπή σε μορφή APA (7η εκδ.)

(1960). Which college for you? With a chart for a self-directed action program.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Which College for You? With a Chart for a Self-directed Action Program. 1960.

Παραπομπή σε μορφή MLA (9th εκδ.)

Which College for You? With a Chart for a Self-directed Action Program. 1960.