ebrary, Inc. (1998). Technical and ethical guidelines for workers' health surveillance. International Labour Office.
Цитирование в стиле Чикаго (17-е изд.)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. Geneva: International Labour Office, 1998.
Цитирование MLA (9-е изд.)ebrary, Inc. Technical and Ethical Guidelines for Workers' Health Surveillance. International Labour Office, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.