Williams, J. C., & Helgeland, G. (1987). Lehrbuch des Bogensports (2. Aufl.). Weinmann.
Chicago Style (17th ed.) CitationWilliams, John C., and Glenn Helgeland. Lehrbuch Des Bogensports. 2. Aufl. Berlin: Weinmann, 1987.
MLA (9th ed.) CitationWilliams, John C., and Glenn Helgeland. Lehrbuch Des Bogensports. 2. Aufl. Weinmann, 1987.
Warning: These citations may not always be 100% accurate.