Burchell, J., & Gould, M. (2020). Cambridge Lower Secondary English Stage 7: Student's Book (1st.). Collins.
Chicago-čujuhus (17. p.)Burchell, Julia, juo Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. UK: Collins, 2020.
MLA-čujuhus (9. p.)Burchell, Julia, juo Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. Collins, 2020.
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