Παραπομπή APA

Hoel Paul G. & Jessen, R. J. (1977). Basic statistics for business and economics (2 x.). John Wiley&Sons.

Παραπομπή Chicago Style

Hoel Paul G. και Raymond J. Jessen. Basic Statistics for Business and Economics. 2 x. London: John Wiley&Sons, 1977.

Παραπομπή MLA

Hoel Paul G. και Raymond J. Jessen. Basic Statistics for Business and Economics. 2 x. John Wiley&Sons, 1977.