Godolphin, P. J., Bath, P. M., & Montgomery, A. A. (2019). Short email with attachment versus long email without attachment when contacting authors to request unpublished data for a systematic review: A nested randomised trial. BMJ Open.
Chicago-tyylinen lähdeviittausGodolphin, Peter J., Philip M. Bath, ja Alan A. Montgomery. "Short Email With Attachment Versus Long Email Without Attachment When Contacting Authors to Request Unpublished Data for a Systematic Review: A Nested Randomised Trial." BMJ Open 2019.
MLA-viiteGodolphin, Peter J., Philip M. Bath, ja Alan A. Montgomery. "Short Email With Attachment Versus Long Email Without Attachment When Contacting Authors to Request Unpublished Data for a Systematic Review: A Nested Randomised Trial." BMJ Open 2019.