@book { ExchangeMarriagesinSouthPunjabPakistan,
    title = "Exchange Marriages in South Punjab, Pakistan",
    subtitle = "A Sociological Analysis of Kinship Structure, Agency, and Symbolic Culture",
    author = "Muhammad {Zaman}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108469"
}