McEwan, D. (2004). "The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan. Year Book / Leo Baeck Institute.
Citazione stile Chigago Style (17a edizione)McEwan, Dorothea. ""The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan." Year Book / Leo Baeck Institute 2004.
Citatione MLA (8a ed.)McEwan, Dorothea. ""The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan." Year Book / Leo Baeck Institute, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.