APA aipamena

Ireland S. Sue & Kosta J. Joanna. (2010). PET Direct: Workbook without answers. Cambridge, Cambridge University Press, 2010.

Chicago Style aipamena

Ireland S. Sue and Kosta J. Joanna. PET Direct: Workbook Without Answers. Cambridge, Cambridge University Press, 2010, 2010.

MLA aipamena

Ireland S. Sue and Kosta J. Joanna. PET Direct: Workbook Without Answers. Cambridge, Cambridge University Press, 2010, 2010.

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