एपीए उद्धरण

Krinzinger, H., Kaufmann, L., & Willmes, K. (2009). Math Anxiety and Math Ability in Early Primary School Years.

शिकागो स्टाइल उद्धरण

Krinzinger, Helga, Liane Kaufmann, और Klaus Willmes. Math Anxiety and Math Ability in Early Primary School Years. 2009.

एमएलए उद्धरण

Krinzinger, Helga, Liane Kaufmann, और Klaus Willmes. Math Anxiety and Math Ability in Early Primary School Years. 2009.