Citazione Stile APA (7a Edizione)
(1999). Guidelines for Quantitative Risk Assessment. Purple Book: CPR 18E. The Director-General for Social Affairs and Employment.
Citazione stile Chigago Style (17a edizione)
Guidelines for Quantitative Risk Assessment. Purple Book: CPR 18E. Haag: The Director-General for Social Affairs and Employment, 1999.
Citatione MLA (9a ed.)
Guidelines for Quantitative Risk Assessment. Purple Book: CPR 18E. The Director-General for Social Affairs and Employment, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.