APA-referens (7:e uppl.)

Kraus, C. Biofuel technology makes strides, but demand is stalling. IN The New York Times International Weekly. Manila Bulletin.

Chicago-referens (17:e uppl.)

Kraus, Clifford. "Biofuel Technology Makes Strides, but Demand Is Stalling. IN The New York Times International Weekly." Manila Bulletin .

MLA-referens (9:e uppl.)

Kraus, Clifford. "Biofuel Technology Makes Strides, but Demand Is Stalling. IN The New York Times International Weekly." Manila Bulletin, .