Citação norma APA

World Health Organization. (2001). Concise International chemical Assessment Document; Barium and Barium Compounds. IOMS.

Citação norma Chicago

World Health Organization. Concise International Chemical Assessment Document; Barium and Barium Compounds. Ginebra: IOMS, 2001.

Citação norma MLA

World Health Organization. Concise International Chemical Assessment Document; Barium and Barium Compounds. IOMS, 2001.

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