Deismireacht APA

Marc Helgesen. (1996). Office File (Teacher's manual). London: Longman.

Trích dẫn kiểu Chicago

Marc Helgesen. Office File (Teacher's Manual). London: Longman, 1996.

Deismireacht MLA

Marc Helgesen. Office File (Teacher's Manual). London: Longman, 1996.

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