Konikowski, J., & Ullrich, R. 1. (2021). Quick Course of Chess Openings (1. Auflage.). Beyer, Joachim, Verlag.
Chicago Style (17th ed.) CitationKonikowski, Jerzy, and Robert 19XX- Ullrich. Quick Course of Chess Openings. 1. Auflage. Eltmann: Beyer, Joachim, Verlag, 2021.
MLA (9th ed.) CitationKonikowski, Jerzy, and Robert 19XX- Ullrich. Quick Course of Chess Openings. 1. Auflage. Beyer, Joachim, Verlag, 2021.
Warning: These citations may not always be 100% accurate.