Ministry of environment and energy. (2000). The environment in Danmark 1999: Selected indicators. Denmark: Ministry of environment and energy.
استشهاد بنمط شيكاغوMinistry of environment and energy. The Environment in Danmark 1999: Selected Indicators. Denmark: Ministry of environment and energy, 2000.
MLA استشهادMinistry of environment and energy. The Environment in Danmark 1999: Selected Indicators. Denmark: Ministry of environment and energy, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.