APA-čujuhus (7. p.)
Gu, A. Z., Liu, L., & Onnis-Hayden, A. (2014). Bioavailability and characteristics of dissolved organic nutrients in wastewater effluents. Iwa Publishing.
Chicago-čujuhus (17. p.)
Gu, April Z., Lei Liu, juo Annalisa Onnis-Hayden. Bioavailability and Characteristics of Dissolved Organic Nutrients in Wastewater Effluents. London, England: Iwa Publishing, 2014.
MLA-čujuhus (9. p.)
Gu, April Z., et al. Bioavailability and Characteristics of Dissolved Organic Nutrients in Wastewater Effluents. Iwa Publishing, 2014.
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