APA-viite (7. p.)
Sivakumar, R., & Fegan, S. C. (2005). Introduction to environmental science and engineering (4th ed.). Vijay Nicole Imprints.
Chicago-viite (17. p.)
Sivakumar, Raman, ja Sophia Chung Fegan. Introduction to Environmental Science and Engineering. 4th ed. Chennai: Vijay Nicole Imprints, 2005.
MLA-viite (9. p.)
Sivakumar, Raman, ja Sophia Chung Fegan. Introduction to Environmental Science and Engineering. 4th ed. Vijay Nicole Imprints, 2005.
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