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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGonçalves, Eline Simões, Silvana Vianna Rodrigues, এবং Emmanoel Vieira da Silva-Filho. The Use of Caffeine as a Chemical Marker of Domestic Wastewater Contamination in Surface Waters: Seasonal and Spatial Variations in Teresópolis, Brazil. Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi), 2017.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGonçalves, Eline Simões, et al. The Use of Caffeine as a Chemical Marker of Domestic Wastewater Contamination in Surface Waters: Seasonal and Spatial Variations in Teresópolis, Brazil. Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi), 2017.