@book { InternationalLawanditsRelationshiptoTradeEnvironmentandSovereingty, title = "International Law and its Relationship to Trade, Environment and Sovereingty", author = "Nicholas {Sunday}", year = "2013", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656378709", url = "https://www.hausarbeiten.de/document/209932" }