Board for Tourist Traffic of the City of Vienna. (1937). Music in Vienna.
Chicago-Zitierstil (17. Ausg.)Board for Tourist Traffic of the City of Vienna. Music in Vienna. Wien, 1937.
MLA-Zitierstil (8. Ausg.)Board for Tourist Traffic of the City of Vienna. Music in Vienna. 1937.
警告：這些引文格式不一定是100％准確.