Cita APA (7th ed.)

(1993). Trace elements in coal and coal combustion residues. Lewis.

Cita Chicago (17th ed.)

Trace Elements in Coal and Coal Combustion Residues. Boca Raton: Lewis, 1993.

Cita MLA (9th ed.)

Trace Elements in Coal and Coal Combustion Residues. Lewis, 1993.