(1991). Planning environment assessment document: Trends and perspectives = Document d'analyse d l'environnement. Minister of Supply and Services Canada.
Chicago-Zitierstil (17. Ausg.)Planning Environment Assessment Document: Trends and Perspectives = Document D'analyse D L'environnement. Ottawa: Minister of Supply and Services Canada, 1991.
MLA-Zitierstil (9. Ausg.)Planning Environment Assessment Document: Trends and Perspectives = Document D'analyse D L'environnement. Minister of Supply and Services Canada, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.