Não informado. (1958). Delta: A review of arts, life and thought in the Netherlands. Delta International Publication Foundation.
Chicago-Zitierstil (17. Ausg.)Não informado. Delta: A Review of Arts, Life and Thought in the Netherlands. Amsterdam: Delta International Publication Foundation, 1958.
MLA-Zitierstil (8. Ausg.)Não informado. Delta: A Review of Arts, Life and Thought in the Netherlands. Delta International Publication Foundation, 1958.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.