APA
Bailey C., Bailey C., . (1983). Mixed ability grouping. London: George Allen & Unwin.
Chicago
Bailey Charles, Bailey Charles, . 1983. Mixed ability grouping. London: George Allen & Unwin.
Harvard
Bailey C., Bailey C., . (1983). Mixed ability grouping. London: George Allen & Unwin.
MLA
Bailey Charles, Bailey Charles, . Mixed ability grouping. London: George Allen & Unwin. 1983.