HEALEY JOSEPH F. (1999). STATISTICS: A TOOL FOR SOCIAL RESEARCH (5TH.). INTERNATIONAL THOMSON BUSINESS PRESS.
Citazione stile Chigago Style (17a edizione)HEALEY JOSEPH F. STATISTICS: A TOOL FOR SOCIAL RESEARCH. 5TH. BOSTON: INTERNATIONAL THOMSON BUSINESS PRESS, 1999.
Citatione MLA (9a ed.)HEALEY JOSEPH F. STATISTICS: A TOOL FOR SOCIAL RESEARCH. 5TH. INTERNATIONAL THOMSON BUSINESS PRESS, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.