APA ציטוט

Dobson, R. (2006). Cough medicines’ effect is mainly placebo. BMJ Publishing Group Ltd.

Citação norma Chicago

Dobson, Roger. Cough Medicines’ Effect Is Mainly Placebo. BMJ Publishing Group Ltd, 2006.

ציטוט MLA

Dobson, Roger. Cough Medicines’ Effect Is Mainly Placebo. BMJ Publishing Group Ltd, 2006.