Hashemi, L. (2003). Objective PET: Teacher's book. Cambridge, UK: Cambridge University Press.
シカゴスタイル引用形Hashemi, Louise. Objective PET: Teacher's Book. Cambridge, UK: Cambridge University Press, 2003.
MLA引用形式Hashemi, Louise. Objective PET: Teacher's Book. Cambridge, UK: Cambridge University Press, 2003.
警告: この引用は必ずしも正確ではありません.