Boju, V., & Funar, L. (2007). The math problems notebook. Birkhäuser.
Chicago Style (17th ed.) CitationBoju, Valentin, and Louis Funar. The Math Problems Notebook. Boston [u.a.]: Birkhäuser, 2007.
MLA (9th ed.) CitationBoju, Valentin, and Louis Funar. The Math Problems Notebook. Birkhäuser, 2007.
Warning: These citations may not always be 100% accurate.