APA-viite

Harmer, J. (1991). More than words: Vocabulary for upper intermediate to advanced students. Essex, U.K: Longman.

Chicago-tyylinen lähdeviittaus

Harmer, Jeremy. More Than Words: Vocabulary for Upper Intermediate to Advanced Students. Essex, U.K: Longman, 1991.

MLA-viite

Harmer, Jeremy. More Than Words: Vocabulary for Upper Intermediate to Advanced Students. Essex, U.K: Longman, 1991.

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