Pettersson, S., Richards, G., Rolfe, H., & Skar, M. (2001). Mobility and transparency of vocational qualifications: An overview of studies on the tourism, chemical and healthcare sectors in Europe. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pettersson, Sten, Greg Richards, Heather Rolfe, και Mariann Skar. Mobility and Transparency of Vocational Qualifications: An Overview of Studies on the Tourism, Chemical and Healthcare Sectors in Europe. Luxembourg: Office for Official Publications of the European Communities, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Pettersson, Sten, et al. Mobility and Transparency of Vocational Qualifications: An Overview of Studies on the Tourism, Chemical and Healthcare Sectors in Europe. Office for Official Publications of the European Communities, 2001.
