Straszewicz, S. (1965). Mathematical problems and puzzles from the Polish mathematical olympiads. Pergamon Press.
Chicago (17e ed.) BronvermeldingStraszewicz, S. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Oxford: Pergamon Press, 1965.
MLA (9e ed.) BronvermeldingStraszewicz, S. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Pergamon Press, 1965.
Let op: Deze citaties zijn niet altijd 100% accuraat.