Dyfyniad APA

Haandel, A. C. v., & Lettinga, G. (1994). Anaerobic sewage treatment: A practical guide for regions with a hot climate. Wiley.

Dyfyniad Arddull Chicago

Haandel, Adrianus C. van, and Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Chichester: Wiley, 1994.

Dyfyniad MLA

Haandel, Adrianus C. van, and Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Wiley, 1994.

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