Cita APA (7a ed.)
Snell, F. D., & Snell, C. T. Chemicals of commerce. Van Nostrand.
Cita estilo Chicago (17a ed.)
Snell, Foster Dee, y Cornelia T. Snell. Chemicals of Commerce. Nueva York, EUA: Van Nostrand.
Cita MLA (9a ed.)
Snell, Foster Dee, y Cornelia T. Snell. Chemicals of Commerce. Van Nostrand.
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