APA-referens (7:e uppl.)

(2018). FILIPINO INVENTOR BUILDS MACHINE TO FIGHT HEAT, POLLUTION. IN Business [column]. Manila Standard.

Chicago-referens (17:e uppl.)

"FILIPINO INVENTOR BUILDS MACHINE TO FIGHT HEAT, POLLUTION. IN Business [column]." Manila Standard 2018.

MLA-referens (9:e uppl.)

"FILIPINO INVENTOR BUILDS MACHINE TO FIGHT HEAT, POLLUTION. IN Business [column]." Manila Standard, 2018.

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