APA (7e ed.) Bronvermelding

Não informado. (2018). Pain. International Association for the Study of Pain.

Chicago (17e ed.) Bronvermelding

Não informado. Pain. Seattle, Wash: International Association for the Study of Pain, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Pain. International Association for the Study of Pain, 2018.

Let op: Deze citaties zijn niet altijd 100% accuraat.