@book { ThePerceptionofNatureinTravelPromotionTexts,
    title = "The Perception of Nature in Travel Promotion Texts",
    subtitle = "A Corpus-based Discourse Analysis",
    author = "Ida {Ruffolo}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0732-6",
    url = "https://www.peterlang.com/document/1053126"
}