Spencer-Northeote, J., & Studemund, L. (1874). Geschichte des Johanniterritter-Ordens. Russell.
Lua i Stíl Chicago (17ú heag.)Spencer-Northeote, J., agus L. Studemund. Geschichte Des Johanniterritter-Ordens. Münster: Russell, 1874.
Lua MLA (8ú heag.)Spencer-Northeote, J., agus L. Studemund. Geschichte Des Johanniterritter-Ordens. Russell, 1874.
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