APA-referens (7:e uppl.)

Philippines Department of Tourism. (2006). Davao Region situationer 2006. Department of Tourism Region XI.

Chicago-referens (17:e uppl.)

Philippines Department of Tourism. Davao Region Situationer 2006. Davao City: Department of Tourism Region XI, 2006.

MLA-referens (9:e uppl.)

Philippines Department of Tourism. Davao Region Situationer 2006. Department of Tourism Region XI, 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.