APA-viite (7. p.)
Pye, G. (2005). Vocabulary in practice 3: 40 units of self-study vocabulary exercises. CUP.
Chicago-viite (17. p.)
Pye, Glennis. Vocabulary in Practice 3: 40 Units of Self-study Vocabulary Exercises. Cambridge: CUP, 2005.
MLA-viite (9. p.)
Pye, Glennis. Vocabulary in Practice 3: 40 Units of Self-study Vocabulary Exercises. CUP, 2005.
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