Dyfyniad APA

 Mascull, B. (2002).  Market leader: Teacher''s Resource book : Pre - Intermediate business english.  Longmans.

Dyfyniad Arddull Chicago

 Mascull, Bill.  Market Leader: Teacher''s Resource Book : Pre - Intermediate Business English.  Longmans, 2002.

Dyfyniad MLA

 Mascull, Bill.  Market Leader: Teacher''s Resource Book : Pre - Intermediate Business English.  Longmans, 2002.

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