APA (7e ed.) Bronvermelding

Bechtold, B., & Johnson, R. H. (1989). Statistics for business and economics. PWS-KENT Pub. Co..

Chicago (17e ed.) Bronvermelding

Bechtold, Brigitte, en Ross H. Johnson. Statistics for Business and Economics. Boston: PWS-KENT Pub. Co., 1989.

MLA (8e ed.) Bronvermelding

Bechtold, Brigitte, en Ross H. Johnson. Statistics for Business and Economics. PWS-KENT Pub. Co., 1989.