@book { AnalysisofFairTradeasaConceptofSustainability,
    title = "Analysis of Fair Trade as a Concept of Sustainability",
    author = "Carsten {Glöckner}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640612420",
    url = "https://www.hausarbeiten.de/document/130047"
}