APA-viite (7. p.)
Borovik, A., & Gardiner, T. (2019). The essence of mathematics: Through elementary problems. Open Book Publishers.
Chicago-viite (17. p.)
Borovik, Alexandre, ja Tony Gardiner. The Essence of Mathematics: Through Elementary Problems. Cambridge, UK: Open Book Publishers, 2019.
MLA-viite (9. p.)
Borovik, Alexandre, ja Tony Gardiner. The Essence of Mathematics: Through Elementary Problems. Open Book Publishers, 2019.
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