एपीए उद्धरण

S.Shihabudeen. A study of the effectiveness of programmed instruction in learning english as a second language by secondary school pupils.

शिकागो स्टाइल उद्धरण

S.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.

एमएलए उद्धरण

S.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.