50th IMO - 50 Years of International Mathematical Olympiads

MLA

Hans-Dietrich Gronau, Hanns-Heinrich Langmann, Dierk Schleicher, et al. 50th Imo - 50 Years of International Mathematical Olympiads. Springer Berlin Heidelberg, 2011.

APA

Hans-Dietrich Gronau, D. Schleicher, Gronau, H., Gronau, H. O. F, Langmann, H., & Schleicher, D. (2011). 50th IMO - 50 Years of International Mathematical Olympiads. Springer Berlin Heidelberg.

Chicago

Hans-Dietrich Gronau, Hanns-Heinrich Langmann, Dierk Schleicher, Hans-Dietrich Gronau, Hans-Dietrich O. F Gronau, Hanns-Heinrich Langmann, and Dierk Schleicher. 50th IMO - 50 Years of International Mathematical Olympiads. : Springer Berlin Heidelberg, 2011.