APA Style
HELLAWELL, J.M.. (1989).
Biological Indicators of Freshwater Pollution and Environmental Management (Ed. 1, cet. 1).
London:
Elsevier Publishing Company.
Chicago Style
HELLAWELL, J.M..
Biological Indicators of Freshwater Pollution and Environmental Management.
Ed. 1, cet. 1
London:
Elsevier Publishing Company,
1989.
Text.
MLA Style
HELLAWELL, J.M..
Biological Indicators of Freshwater Pollution and Environmental Management.
Ed. 1, cet. 1
London:
Elsevier Publishing Company,
1989.
Text.
Turabian Style
HELLAWELL, J.M..
Biological Indicators of Freshwater Pollution and Environmental Management.
Ed. 1, cet. 1
London:
Elsevier Publishing Company,
1989.
Print.