Dyfyniad APA

MARA, D. (1976). Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons.

Dyfyniad Arddull Chicago

MARA, Duncan. Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons, 1976.

Dyfyniad MLA

MARA, Duncan. Sewage Treatment In Hot Climates Duncan Mara. John Wiley & Sons, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.