@book { DoSouthernEnglishairlinepassangersconsiderairlinesenvironmentalcommitmentpolicyintheirpurchasedecisionmaking,
    title = "Do Southern English airline passangers consider airlines` environmental commitment/policy in their purchase decision making?",
    author = "Wassim {El Kadhi}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/226252"
}