Baxter S. Steve, Cook T. Nerry, & Thompson S. Steve. (2018). PTE (Pearson Test of English) General Skills Boosters. Level 2: Teacher's book. Harlow, Pearson, 2018.
Chicago-viite (17. p.)Baxter S. Steve, Cook T. Nerry, ja Thompson S. Steve. PTE (Pearson Test of English) General Skills Boosters. Level 2: Teacher's Book. Harlow, Pearson, 2018, 2018.
MLA-viite (9. p.)Baxter S. Steve, et al. PTE (Pearson Test of English) General Skills Boosters. Level 2: Teacher's Book. Harlow, Pearson, 2018, 2018.
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