एपीए उद्धरण

Friedl, A. E. (2005). Teaching science to children: An inquiry approach. McGraw-Hill higher education.

शिकागो स्टाइल उद्धरण

Friedl, Alfred E. Teaching Science to Children: An Inquiry Approach. McGraw-Hill higher education, 2005.

एमएलए उद्धरण

Friedl, Alfred E. Teaching Science to Children: An Inquiry Approach. McGraw-Hill higher education, 2005.