European Commission. (1995). 88/77/EEC: Council Directive of 3 December 1987 on the approximation of the laws of the Member States relating to the measures to be taken against the emisson of gaseous and particulate pollutants from diesel engines for use in vehicles. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων.
Παραπομπή Chicago StyleEuropean Commission. 88/77/EEC: Council Directive of 3 December 1987 On the Approximation of the Laws of the Member States Relating to the Measures to Be Taken against the Emisson of Gaseous and Particulate Pollutants From Diesel Engines for Use in Vehicles. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων, 1995.
Παραπομπή MLAEuropean Commission. 88/77/EEC: Council Directive of 3 December 1987 On the Approximation of the Laws of the Member States Relating to the Measures to Be Taken against the Emisson of Gaseous and Particulate Pollutants From Diesel Engines for Use in Vehicles. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων, 1995.