@book { JohnBunyanontheOrderofSalvation,
    title = "John Bunyan on the Order of Salvation",
    author = "Pieter {de Vries}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1116722"
}