Westby-Gibson, D. (1966). Grouping students for improved instruction. Prentice-Hall.
Chicago Style (17th ed.) CitationWestby-Gibson, Dorothy. Grouping Students for Improved Instruction. Englewood Cliffs, N. J: Prentice-Hall, 1966.
MLA (9th ed.) CitationWestby-Gibson, Dorothy. Grouping Students for Improved Instruction. Prentice-Hall, 1966.
Warning: These citations may not always be 100% accurate.