MARA, D. (1976). Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons.
Cita Chicago Style (17a ed.)MARA, Duncan. Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons, 1976.
Cita MLA (8a ed.)MARA, Duncan. Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons, 1976.
Precaución: Estas citas no son 100% exactas.