APA (7e ed.) Bronvermelding

Saulon, V. S. (2000). Electricity, gas and water: Ailing Napocor still leads. Business World Top 1000 Corporations in the Philippines.

Chicago (17e ed.) Bronvermelding

Saulon, Victor S. "Electricity, Gas and Water: Ailing Napocor Still Leads." Business World Top 1000 Corporations in the Philippines 2000.

MLA (9e ed.) Bronvermelding

Saulon, Victor S. "Electricity, Gas and Water: Ailing Napocor Still Leads." Business World Top 1000 Corporations in the Philippines, 2000.