Παραπομπή σε μορφή APA (7η εκδ.)

HUMMEL, D. L., & BOHMAN, S. (1968). Pupil personnel services in schools: Organization andcoordination. Rand McNally and Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

HUMMEL, Dean L., και S.J BOHMAN. Pupil Personnel Services in Schools: Organization Andcoordination. Chicago: Rand McNally and Co, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

HUMMEL, Dean L., και S.J BOHMAN. Pupil Personnel Services in Schools: Organization Andcoordination. Rand McNally and Co, 1968.