Lucantoni, P., Cox, M., & Glover, B. (2001). IGCSE: English as a second language. Cambridge University.
Čikaški stil citiranja (17. izdanje)Lucantoni, Peter, Marian Cox, i Bob Glover. IGCSE: English as a Second Language. Cambridge: Cambridge University, 2001.
MLA način citiranja (9. izdanje)Lucantoni, Peter, et al. IGCSE: English as a Second Language. Cambridge University, 2001.
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