APA-viite

Barrall, I., & Irene Barrall; Lizzie Wright. (2012). Market leader: Elementary business English. Teacher's resource book. Harlow: Pearson Education.

Chicago-tyylinen lähdeviittaus

Barrall, Irene, ja Irene Barrall; Lizzie Wright. Market Leader: Elementary Business English. Teacher's Resource Book. Harlow: Pearson Education, 2012.

MLA-viite

Barrall, Irene, ja Irene Barrall; Lizzie Wright. Market Leader: Elementary Business English. Teacher's Resource Book. Harlow: Pearson Education, 2012.

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