Παραπομπή APA

Spurgeon, D. (2007). Sharp rise in sales of untaxed cigarettes in Canada threatens public health. BMJ Publishing Group Ltd.

Παραπομπή Chicago Style

Spurgeon, David. Sharp Rise in Sales of Untaxed Cigarettes in Canada Threatens Public Health. BMJ Publishing Group Ltd, 2007.

Παραπομπή MLA

Spurgeon, David. Sharp Rise in Sales of Untaxed Cigarettes in Canada Threatens Public Health. BMJ Publishing Group Ltd, 2007.

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