Valino, A. (1999). A cement firm committed to clean environment. Manila Bulletin.
Style de citation Chicago (17e éd.)Valino, Amada. "A Cement Firm Committed to Clean Environment." Manila Bulletin 1999.
Style de citation MLA (9e éd.)Valino, Amada. "A Cement Firm Committed to Clean Environment." Manila Bulletin, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.