Haandel, A. C. v., & Lettinga, G. (1994). Anaerobic sewage treatment: A practical guide for regions with a hot climate. Wiley.
Čikaški stil citiranja (17. izdanje)Haandel, Adrianus C. van, i Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Chichester: Wiley, 1994.
MLA način citiranja (9. izdanje)Haandel, Adrianus C. van, i Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Wiley, 1994.
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