APA-referens (7:e uppl.)

Rich, C. H. (1819). Specimens of the art of ornamental turning, in eccentric and concentric patterns: Intended chiefly for the use of beginners. E. Skelton & Co..

Chicago-referens (17:e uppl.)

Rich, Charles Henry. Specimens of the Art of Ornamental Turning, in Eccentric and Concentric Patterns: Intended Chiefly for the Use of Beginners. Southampton: E. Skelton & Co., 1819.

MLA-referens (8:e uppl.)

Rich, Charles Henry. Specimens of the Art of Ornamental Turning, in Eccentric and Concentric Patterns: Intended Chiefly for the Use of Beginners. E. Skelton & Co., 1819.