APA (7th ed.) Zitazioa

Ingram, J. A. (1990). Statistics for business and economics. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Zitazioa

Ingram, John A. Statistics for Business and Economics. Orlando, Fl.: Harcourt Brace Jovanovich, 1990.

MLA (9th ed.) Zitazioa

Ingram, John A. Statistics for Business and Economics. Harcourt Brace Jovanovich, 1990.