एपीए उद्धरण

D'Ambrosio, U. (2021). New Fundamentals of Mathematics for Schools.

शिकागो स्टाइल उद्धरण

D'Ambrosio, Ubiratan. New Fundamentals of Mathematics for Schools. 2021.

एमएलए उद्धरण

D'Ambrosio, Ubiratan. New Fundamentals of Mathematics for Schools. 2021.