Balkenhol, B., & Schütte, H. (2001). Collateral, collateral law and collateral substitutes. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Balkenhol, Bernd, e Haje Schütte. Collateral, Collateral Law and Collateral Substitutes. International Labour Organization, 2001.
Citatione MLA (9a ed.)Balkenhol, Bernd, e Haje Schütte. Collateral, Collateral Law and Collateral Substitutes. International Labour Organization, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.