Cita APA (7th ed.)

SPEIGHT, J. G. (1998). PETROLEUM CHEMISTRY AND REFINING. TAYLOR & FRANCIS LTD.

Cita Chicago (17th ed.)

SPEIGHT, J G. PETROLEUM CHEMISTRY AND REFINING. USA: TAYLOR & FRANCIS LTD, 1998.

Cita MLA (9th ed.)

SPEIGHT, J G. PETROLEUM CHEMISTRY AND REFINING. TAYLOR & FRANCIS LTD, 1998.