Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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