Elementary German series.
Books one to five /
[selected] by Peter Hagboldt ; with vocabulary by Werner F. Leopold.
APA Citation
Leopold, W. F., Hagboldt, P. (1957). Elementary German series. Lexington, Mass.: Heath.
MLA Citation
Leopold, Werner F., 1896-1984, and Peter Hagboldt. Elementary German Series. Lexington, Mass.: Heath, 1957.
Warning: These citations may not always be complete (especially for serials).