Stewart Irwin & Canal Mech Ecmu. Oil shale on colorados western slope.
Cita Chicago (17th ed.)Stewart Irwin i Canal Mech Ecmu. Oil Shale on Colorados Western Slope.
Cita MLA (9th ed.)Stewart Irwin i Canal Mech Ecmu. Oil Shale on Colorados Western Slope.
Atenció: Aquestes cites poden no estar 100% correctes.