Mason, C. F. (1981). Biology of freshwater pollution. Longman Scientific and Technical.
Citazione stile Chigago Style (17a edizione)Mason, C. F. Biology of Freshwater Pollution. England: Longman Scientific and Technical, 1981.
Citatione MLA (9a ed.)Mason, C. F. Biology of Freshwater Pollution. Longman Scientific and Technical, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.