Ball,W.J. (1968). Steps to Fluency in Spoken English / W.J.Ball. Longman.
Chicago Style (17th ed.) CitationBall,W.J. Steps to Fluency in Spoken English / W.J.Ball. Longman, 1968.
MLA (8th ed.) CitationBall,W.J. Steps to Fluency in Spoken English / W.J.Ball. Longman, 1968.
Warning: These citations may not always be 100% accurate.