APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.