APA (7th ed.) Citation

Downie, N. M., & Heath,R.W. (1983). Basic statistical methods (5th ed.). National Book Store.

Chicago Style (17th ed.) Citation

Downie, Norville M., and Heath,R.W. Basic Statistical Methods. 5th ed. Manila: National Book Store, 1983.

MLA (9th ed.) Citation

Downie, Norville M., and Heath,R.W. Basic Statistical Methods. 5th ed. National Book Store, 1983.