Kappenstein, P. (1992). Occupational profiles of vocational counsellors in the Grand Duchy of Luxembourg. European Centre for the Development of Vocational Training.
Citazione stile Chigago Style (17a edizione)Kappenstein, Peter. Occupational Profiles of Vocational Counsellors in the Grand Duchy of Luxembourg. Berlin: European Centre for the Development of Vocational Training, 1992.
Citatione MLA (8a ed.)Kappenstein, Peter. Occupational Profiles of Vocational Counsellors in the Grand Duchy of Luxembourg. European Centre for the Development of Vocational Training, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.