S.Shihabudeen. A study of the effectiveness of programmed instruction in learning english as a second language by secondary school pupils.
Chicago Edition CitationS.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.
MLA引文S.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.
警告：这些引文格式不一定是100％准确.