APA (7e ed.) Bronvermelding

Straszewicz, S. (1965). Mathematical problems and puzzles from the Polish mathematical olympiads. Pergamon Press.

Chicago (17e ed.) Bronvermelding

Straszewicz, S. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Oxford: Pergamon Press, 1965.

MLA (9e ed.) Bronvermelding

Straszewicz, S. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Pergamon Press, 1965.

Let op: Deze citaties zijn niet altijd 100% accuraat.