Style de citation APA (7e éd.)

Herrera, A. (1999). Highly active absorbent for SO2 removal prepared from coal ash (Part 3). Philippine Engineering Journal.

Style de citation Chicago (17e éd.)

Herrera, A.B. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 3)." Philippine Engineering Journal 1999.

Style de citation MLA (9e éd.)

Herrera, A.B. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 3)." Philippine Engineering Journal, 1999.

Attention : ces citations peuvent ne pas être correctes à 100%.