Παραπομπή σε μορφή APA (7η εκδ.)

Magpantay, C. Highly active absorbent for SO2 removal prepared from coal ash (Part 2). Philippine Engineering Journal.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Magpantay, C.G. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 2)." Philippine Engineering Journal .

Παραπομπή σε μορφή MLA (9th εκδ.)

Magpantay, C.G. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 2)." Philippine Engineering Journal, .