APA-viite (7. p.)

Roderick M. Megan. (2007). Build up to Countdown. Grammar Book with Key. New York, Oxford University Press, 2007.

Chicago-viite (17. p.)

Roderick M. Megan. Build Up to Countdown. Grammar Book with Key. New York, Oxford University Press, 2007, 2007.

MLA-viite (9. p.)

Roderick M. Megan. Build Up to Countdown. Grammar Book with Key. New York, Oxford University Press, 2007, 2007.

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