Cita APA (7a ed.)
Hubbard, P. A Training Course for TEFL: P. Hubbard... [et al.]. Oxford University.
Cita estilo Chicago (17a ed.)
Hubbard, Peter. A Training Course for TEFL: P. Hubbard... [et Al.]. Oxford, Inglaterra: Oxford University.
Cita MLA (9a ed.)
Hubbard, Peter. A Training Course for TEFL: P. Hubbard... [et Al.]. Oxford University.
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