Watson, D., Pichler, F., Wallace, C., & European Foundation for the improvement of living and working conditions. (2010). Second European Quality of Life Survey: Subjective well-being in Europe. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleWatson, Dorothy., Florian Pichler, Claire Wallace, and European Foundation for the improvement of living and working conditions. Second European Quality of Life Survey: Subjective Well-being in Europe. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2010.
Παραπομπή MLAWatson, Dorothy., Florian Pichler, Claire Wallace, and European Foundation for the improvement of living and working conditions. Second European Quality of Life Survey: Subjective Well-being in Europe. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2010.