Konrad-Adenauer-Stiftung, Thesing, J., & Hofmeister, W. (1996). Environmental protection as an element of order policy. Konrad-Adenauer-Stiftung.
Citazione stile Chigago Style (17a edizione)Konrad-Adenauer-Stiftung, Josef Thesing, e Wilhelm Hofmeister. Environmental Protection as an Element of Order Policy. Sankt Augustin: Konrad-Adenauer-Stiftung, 1996.
Citatione MLA (9a ed.)Konrad-Adenauer-Stiftung, et al. Environmental Protection as an Element of Order Policy. Konrad-Adenauer-Stiftung, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.