Enebuske, C. J. (1892). Progressive gymnastic day's orders: According to the principles of the Ling system (First collection.). Silver, Burdett & company.
Lua i Stíl Chicago (17ú heag.)Enebuske, Cläes J. Progressive Gymnastic Day's Orders: According to the Principles of the Ling System. First collection. Boston, New York, Chicago: Silver, Burdett & company, 1892.
Lua MLA (8ú heag.)Enebuske, Cläes J. Progressive Gymnastic Day's Orders: According to the Principles of the Ling System. First collection. Silver, Burdett & company, 1892.
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