Cita APA (7th ed.)

Cardwell, D., & Krauss, C. Natural gas is attractive to truckers. IN Sustainability. Manila Bulletin.

Cita Chicago (17th ed.)

Cardwell, Diane, i Clifford Krauss. "Natural Gas Is Attractive to Truckers. IN Sustainability." Manila Bulletin .

Cita MLA (9th ed.)

Cardwell, Diane, i Clifford Krauss. "Natural Gas Is Attractive to Truckers. IN Sustainability." Manila Bulletin, .