Παραπομπή APA

Chapman, S. (2003). “Author pays” publishing model: Model is concerned with vanity and profit. BMJ Publishing Group Ltd.

Παραπομπή Chicago Style

Chapman, Simon. “Author Pays” Publishing Model: Model Is Concerned With Vanity and Profit. BMJ Publishing Group Ltd, 2003.

Παραπομπή MLA

Chapman, Simon. “Author Pays” Publishing Model: Model Is Concerned With Vanity and Profit. BMJ Publishing Group Ltd, 2003.

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