Sarah Briggs...[et al.]. (1997). The University of Michigan examination for the certificate of proficiency in English (Official past papers - Student's book). Oxford: Oxford Univ. Press.
Citação norma ChicagoSarah Briggs...[et al.]. The University of Michigan Examination for the Certificate of Proficiency in English (Official Past Papers - Student's Book). Oxford: Oxford Univ. Press, 1997.
Citação norma MLASarah Briggs...[et al.]. The University of Michigan Examination for the Certificate of Proficiency in English (Official Past Papers - Student's Book). Oxford: Oxford Univ. Press, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.