APA-čujuhus (7. p.)
Ahlstroem, K., Jonsson, M., Tomkinson, N., & Gray, J. (1980). Flexible Grouping of pupils and team-work between teachers. Univ.; Almqvist u. Wiksell.
Chicago-čujuhus (17. p.)
Ahlstroem, Karl-Georg, Maud Jonsson, Neil Tomkinson, juo Jean Gray. Flexible Grouping of Pupils and Team-work Between Teachers. Uppsala; Stockholm: Univ.; Almqvist u. Wiksell, 1980.
MLA-čujuhus (9. p.)
Ahlstroem, Karl-Georg, et al. Flexible Grouping of Pupils and Team-work Between Teachers. Univ.; Almqvist u. Wiksell, 1980.
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