APA-ийн эшлэл(7 дахь хэвлэлт)

SUMMERFIELD, G. e. (1971). English in practice secondary English departments: At work ed. C.U.P.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SUMMERFIELD, Geoffrey ed. English in Practice Secondary English Departments: At Work Ed. London: C.U.P, 1971.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SUMMERFIELD, Geoffrey ed. English in Practice Secondary English Departments: At Work Ed. C.U.P, 1971.