Hashemi, L., & Thomas, B. (2003). PET, Preliminary English Test. Practice Tests plus: Includes 2004 exam especifications. Pearson Education.
Citace podle Chicago (17th ed.)Hashemi, Louise, a Barbara Thomas. PET, Preliminary English Test. Practice Tests Plus: Includes 2004 Exam Especifications. Essex: Pearson Education, 2003.
Citace podle MLA (9th ed.)Hashemi, Louise, a Barbara Thomas. PET, Preliminary English Test. Practice Tests Plus: Includes 2004 Exam Especifications. Pearson Education, 2003.
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