McCloughan, P., Batt, W. H., Costine, M., & European Foundation for the improvement of living and working conditions. (2011). Second European Quality of Life Survey: Participation in volunteering and unpaid work. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleMcCloughan, Patrick., William H. Batt, Mark Costine, and European Foundation for the improvement of living and working conditions. Second European Quality of Life Survey: Participation in Volunteering and Unpaid Work. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2011.
Παραπομπή MLAMcCloughan, Patrick., William H. Batt, Mark Costine, and European Foundation for the improvement of living and working conditions. Second European Quality of Life Survey: Participation in Volunteering and Unpaid Work. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2011.