Wolf, S. (2013). Guarded neutrality: Diplomacy and internment in the Netherlands during the First World War. Brill.
Παραπομπή σε μορφή Chicago (17η εκδ.)Wolf, Susanne. Guarded Neutrality: Diplomacy and Internment in the Netherlands During the First World War. Boston: Brill, 2013.
Παραπομπή σε μορφή MLA (9th εκδ.)Wolf, Susanne. Guarded Neutrality: Diplomacy and Internment in the Netherlands During the First World War. Brill, 2013.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.