APA-čujuhus (7. p.)
Tew, M., Read, M., & Potter, H. (2007). Circles, PSHE and citizenship: Assessing the value of circle time in secondary school. Paul Chapman.
Chicago-čujuhus (17. p.)
Tew, Marilyn, Mary Read, juo Hilary Potter. Circles, PSHE and Citizenship: Assessing the Value of Circle Time in Secondary School. London: Paul Chapman, 2007.
MLA-čujuhus (9. p.)
Tew, Marilyn, et al. Circles, PSHE and Citizenship: Assessing the Value of Circle Time in Secondary School. Paul Chapman, 2007.
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