APA-viite (7. p.)

Langan, J., & Albright, Z. L. (2015). English skills with readings (Ninth edition, McGraw-Hill International edition.). McGraw-Hill Education.

Chicago-viite (17. p.)

Langan, John, ja Zoe L. Albright. English Skills with Readings. Ninth edition, McGraw-Hill International edition. New York: McGraw-Hill Education, 2015.

MLA-viite (9. p.)

Langan, John, ja Zoe L. Albright. English Skills with Readings. Ninth edition, McGraw-Hill International edition. McGraw-Hill Education, 2015.

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