The writing improvement project. (1977). Building english skills: Blue level. McDougal, Litell & Company.
Chicago Style (17th ed.) CitationThe writing improvement project. Building English Skills: Blue Level. Illinois: McDougal, Litell & Company, 1977.
MLA (8th ed.) CitationThe writing improvement project. Building English Skills: Blue Level. McDougal, Litell & Company, 1977.
Warning: These citations may not always be 100% accurate.