European Commission : Directorate-General for Research., & European Commission. Directorate-General Health & Consumer Protection. (2008). Vaccines for humans: Research funded by the European Union. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleEuropean Commission : Directorate-General for Research., and European Commission. Directorate-General Health & Consumer Protection. Vaccines for Humans: Research Funded By the European Union. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2008.
Παραπομπή MLAEuropean Commission : Directorate-General for Research., and European Commission. Directorate-General Health & Consumer Protection. Vaccines for Humans: Research Funded By the European Union. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2008.