Paterson, K., & Ken Paterson. (1995). Grammar Spectrum 1: English rules and practice. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoPaterson, Ken, và Ken Paterson. Grammar Spectrum 1: English Rules and Practice. Oxford: Oxford University Press, 1995.
Dyfyniad MLAPaterson, Ken, và Ken Paterson. Grammar Spectrum 1: English Rules and Practice. Oxford: Oxford University Press, 1995.
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