APA-referens (7:e uppl.)

(1990). The oil price hike is a political decision. IN Letters [column]. Philippine Collegian.

Chicago-referens (17:e uppl.)

"The Oil Price Hike Is a Political Decision. IN Letters [column]." Philippine Collegian 1990.

MLA-referens (9:e uppl.)

"The Oil Price Hike Is a Political Decision. IN Letters [column]." Philippine Collegian, 1990.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.