Grahek, N. (2001). Feeling pain and being in pain: Nikola Grahek. Bis, Bibliotheks- und Informationssystem der Univ. Oldenburg.
Chicago Style (17. basım) AtıfGrahek, Nikola. Feeling Pain and Being in Pain: Nikola Grahek. Oldenburg: Bis, Bibliotheks- und Informationssystem der Univ. Oldenburg, 2001.
MLA (8th ed.) AtıfGrahek, Nikola. Feeling Pain and Being in Pain: Nikola Grahek. Bis, Bibliotheks- und Informationssystem der Univ. Oldenburg, 2001.
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