Egberts, L., & Schroor, M. (2018). Waddenland Outstanding: History, Landscape and Cultural Heritage of the Wadden Sea Region. Amsterdam University Press.
Chicago-viite (17. p.)Egberts, Linde, ja Meindert Schroor. Waddenland Outstanding: History, Landscape and Cultural Heritage of the Wadden Sea Region. Amsterdam University Press, 2018.
MLA-viite (9. p.)Egberts, Linde, ja Meindert Schroor. Waddenland Outstanding: History, Landscape and Cultural Heritage of the Wadden Sea Region. Amsterdam University Press, 2018.
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