Holden, W. (1912). Bibliography relating to the floras of Italy, Spain, Portugal, Greece, European Turkey, Bulgaria, Montenegro, Moldavia, Roumania and Servia ([Sonderdr.].). Lloyd Library.
Chicago-Zitierstil (17. Ausg.)Holden, William. Bibliography Relating to the Floras of Italy, Spain, Portugal, Greece, European Turkey, Bulgaria, Montenegro, Moldavia, Roumania and Servia. [Sonderdr.]. Cincinnati, Ohio: Lloyd Library, 1912.
MLA-Zitierstil (9. Ausg.)Holden, William. Bibliography Relating to the Floras of Italy, Spain, Portugal, Greece, European Turkey, Bulgaria, Montenegro, Moldavia, Roumania and Servia. [Sonderdr.]. Lloyd Library, 1912.
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