National Institute of Public Health and Environmental Protection. (1992). The environment in Europe: A global perspective. RIVM, National Institute of Public Health and Environmental Protection.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Institute of Public Health and Environmental Protection. The Environment in Europe: A Global Perspective. The Netherlands: RIVM, National Institute of Public Health and Environmental Protection, 1992.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Institute of Public Health and Environmental Protection. The Environment in Europe: A Global Perspective. RIVM, National Institute of Public Health and Environmental Protection, 1992.
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