Barnes, D., & Wilson. F. (1976). The Design and Operation of Small Sewage Works. E. and F.N. Spoon.
استشهاد بنمط شيكاغوBarnes, D., و Wilson. F. The Design and Operation of Small Sewage Works. London: E. and F.N. Spoon, 1976.
MLA استشهادBarnes, D., و Wilson. F. The Design and Operation of Small Sewage Works. E. and F.N. Spoon, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.