APA-referens

Calva, E., Cravioto, A., Eslava, C., Rosas, I., Salinas, E., & Yela, A. Escherichia coli in settled-dust and air samples collected in residential environments in Mexico City.

Chicago-stil citat

Calva, E., A. Cravioto, C. Eslava, I. Rosas, E. Salinas, och A. Yela. Escherichia Coli in Settled-dust and Air Samples Collected in Residential Environments in Mexico City.

MLA-referens

Calva, E., et al. Escherichia Coli in Settled-dust and Air Samples Collected in Residential Environments in Mexico City.

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