BLASER, W. (1996). Helmut Jahn-transparency/transparenz. Birkhauser Verlag.
Cita Chicago (17th ed.)BLASER, Werner. Helmut Jahn-transparency/transparenz. Basel: Birkhauser Verlag, 1996.
Cita MLA (9th ed.)BLASER, Werner. Helmut Jahn-transparency/transparenz. Birkhauser Verlag, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.