World Health Organization & United Nations Environment Programme. (1986). Principles and methods for evaluating the toxicity of chemicals: Part 1. World Health Organization.
Citação do estilo Chicago (17ª ed.)World Health Organization e United Nations Environment Programme. Principles and Methods for Evaluating the Toxicity of Chemicals: Part 1. Geneva: World Health Organization, 1986.
Citação MLA (9ª ed.)World Health Organization e United Nations Environment Programme. Principles and Methods for Evaluating the Toxicity of Chemicals: Part 1. World Health Organization, 1986.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.