@book { DevelopingasustainableprocurementstrategyforFashionBuyersintheGermanretailsector,
    title = "Developing a sustainable procurement strategy for Fashion Buyers in the German retail sector",
    author = "Mehtap May {Isen}",
    year = "2012",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842831377",
    url = "https://m.diplom.de/document/229221"
}