National Research Council Canada. (1993). Environmental reviews =: Dossiers environnement. Ottawa: National Research Council Canada.
استشهاد بنمط شيكاغوNational Research Council Canada. Environmental Reviews =: Dossiers Environnement. Ottawa: National Research Council Canada, 1993.
MLA استشهادNational Research Council Canada. Environmental Reviews =: Dossiers Environnement. Ottawa: National Research Council Canada, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.