Hope, T. A. o. O. 768: Archief van The Art of Organising Hope.
Chicagoスタイル(17版)引用形式Hope, The Art of Organising. 768: Archief Van The Art of Organising Hope.
MLA(8版)引用形式Hope, The Art of Organising. 768: Archief Van The Art of Organising Hope.
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