Elshof, P. (1998). The Dutch flower sector: Structure, trends and employment. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Elshof, Paul. The Dutch Flower Sector: Structure, Trends and Employment. International Labour Organization, 1998.
Citatione MLA (9a ed.)Elshof, Paul. The Dutch Flower Sector: Structure, Trends and Employment. International Labour Organization, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.