Sala, G. A. (1868). Notes and sketches of the Paris exhibition. Tinsley Bros..
Chicago-viite (17. p.)Sala, George Augustus. Notes and Sketches of the Paris Exhibition. London: Tinsley Bros., 1868.
MLA-viite (8. p.)Sala, George Augustus. Notes and Sketches of the Paris Exhibition. Tinsley Bros., 1868.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.