APA-viite

P Umadevi. (1982). Analysing the difficulties faced by techers in techinbg "New concepts" in 'Chemistry' to that VIII standard students.

Chicago-tyylinen lähdeviittaus

P Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.

MLA-viite

P Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.