Bulletin = Newsletter = Boletin.

MLA

Bulletin = Newsletter = Boletin. Louvain-la-Neuve: Cetri, 2008.

APA

(2008). Bulletin = Newsletter = Boletin. Louvain-la-Neuve: Cetri.

Chicago

Bulletin = Newsletter = Boletin. Louvain-la-Neuve: Cetri, 2008.