APA-Zitierstil (7. Ausg.)
Pye, G. (2004). Vocabulary in practice 1: 30 units of self-study vocabulary exercises; with tests. CUP.
Chicago-Zitierstil (17. Ausg.)
Pye, Glennis. Vocabulary in Practice 1: 30 Units of Self-study Vocabulary Exercises; with Tests. Cambridge: CUP, 2004.
MLA-Zitierstil (9. Ausg.)
Pye, Glennis. Vocabulary in Practice 1: 30 Units of Self-study Vocabulary Exercises; with Tests. CUP, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.