Heyn, E. T. (1907). How Germany makes toys for the World`s Christmas. The american review of reviews.
Chicago-Zitierstil (17. Ausg.)Heyn, Edward T. "How Germany Makes Toys for the World`s Christmas." The American Review of Reviews 1907.
MLA-Zitierstil (8. Ausg.)Heyn, Edward T. "How Germany Makes Toys for the World`s Christmas." The American Review of Reviews, 1907.
警告：这些引文格式不一定是100％准确.