APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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