Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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