Παραπομπή σε μορφή APA (7η εκδ.)

Pedrajas, J. A. B. (2020). Health expert: Impact study needed to assess suitability of pneumonia vaccine for PH. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pedrajas, Joseph Almer B. "Health Expert: Impact Study Needed to Assess Suitability of Pneumonia Vaccine for PH." Manila Bulletin 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pedrajas, Joseph Almer B. "Health Expert: Impact Study Needed to Assess Suitability of Pneumonia Vaccine for PH." Manila Bulletin, 2020.