Citação norma APA

World Health Organization & World Health Organization. Principles and methods for the assessment of risk from essential trace elements.

Citação norma Chicago

World Health Organization and World Health Organization. Principles and Methods for the Assessment of Risk from Essential Trace Elements.

Citação norma MLA

World Health Organization and World Health Organization. Principles and Methods for the Assessment of Risk from Essential Trace Elements.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.