Kopp, G., & Frolich, K. (1993). Pingpong 1: Lehrerhandbuch. Max Hueber Verlag.
Chicago Style (17th ed.) CitationKopp, Gabriele, and Konstanze Frolich. Pingpong 1: Lehrerhandbuch. Germany: Max Hueber Verlag, 1993.
MLA (8th ed.) CitationKopp, Gabriele, and Konstanze Frolich. Pingpong 1: Lehrerhandbuch. Max Hueber Verlag, 1993.
Warning: These citations may not always be 100% accurate.