Smith, C. B., & Wardhaugh, R. (1990). Scope and sequence, levels 1-18, kindergarten-primary grades. Riverside: Macmillan.
Chicago Style CitationSmith, Carl B., and Ronald Wardhaugh. Scope and Sequence, Levels 1-18, Kindergarten-primary Grades. Riverside: Macmillan, 1990.
MLA CitationSmith, Carl B., and Ronald Wardhaugh. Scope and Sequence, Levels 1-18, Kindergarten-primary Grades. Riverside: Macmillan, 1990.
Warning: These citations may not always be 100% accurate.