Dyfyniad APA

Prichard, E., & Barwick, V. (2007). Quality assurance in analytical chemistry. John Wiley and Sons.

Dyfyniad Arddull Chicago

Prichard, Elizabeth, and Vicki Barwick. Quality Assurance in Analytical Chemistry. England: John Wiley and Sons, 2007.

Dyfyniad MLA

Prichard, Elizabeth, and Vicki Barwick. Quality Assurance in Analytical Chemistry. John Wiley and Sons, 2007.

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