Edkins, D. (1981). The Prussian Orden Pour le Mérite: History of the Blue Max ; a study of the famous Blue Max and the men who won it from its earliest beginnings through World War I. Ajay Enterprises.
Citação do estilo Chicago (17ª ed.)Edkins, David. The Prussian Orden Pour Le Mérite: History of the Blue Max ; a Study of the Famous Blue Max and the Men Who Won It from Its Earliest Beginnings Through World War I. Falls Church, VA: Ajay Enterprises, 1981.
Citação MLA (8ª ed.)Edkins, David. The Prussian Orden Pour Le Mérite: History of the Blue Max ; a Study of the Famous Blue Max and the Men Who Won It from Its Earliest Beginnings Through World War I. Ajay Enterprises, 1981.
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