APA (7th ed.) Citation

Tulfo, E. T. (2020). Testing is key. Manila Standard.

Chicago Style (17th ed.) Citation

Tulfo, Erwin T. "Testing Is Key." Manila Standard 2020.

MLA (9th ed.) Citation

Tulfo, Erwin T. "Testing Is Key." Manila Standard, 2020.

Warning: These citations may not always be 100% accurate.