Παραπομπή σε μορφή APA (7η εκδ.)

Elzey, F. F., & Armstrong, C. P. (1973). Self-instructional supplement for Basic statistics in business and economics. Wadsworth Publishing Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Elzey, Freeman F., και Charles P. Armstrong. Self-instructional Supplement for Basic Statistics in Business and Economics. Belmont: Wadsworth Publishing Co, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Elzey, Freeman F., και Charles P. Armstrong. Self-instructional Supplement for Basic Statistics in Business and Economics. Wadsworth Publishing Co, 1973.