एपीए उद्धरण

Reys, R. E. (2001). Helping children learn mathematics (6th ed.). New York: John Wiley and Sons.

शिकागो स्टाइल उद्धरण

Reys, Robert E. Helping Children Learn Mathematics. 6th ed. New York: John Wiley and Sons, 2001.

एमएलए उद्धरण

Reys, Robert E. Helping Children Learn Mathematics. 6th ed. New York: John Wiley and Sons, 2001.