Παραπομπή σε μορφή APA (7η εκδ.)

Salud, J. P. (2016). Houston, we have a problem, or do we? a closer look at Duterte's independent foreign policy. Philippine Graphic.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Salud, Joel Pablo. "Houston, We Have a Problem, or Do We? a Closer Look at Duterte's Independent Foreign Policy." Philippine Graphic 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Salud, Joel Pablo. "Houston, We Have a Problem, or Do We? a Closer Look at Duterte's Independent Foreign Policy." Philippine Graphic, 2016.