Spencer, C. C. (1881). A rudimentary and practical treatise on music. Crosby Locwood.
Citazione stile Chigago Style (17a edizione)Spencer, Charles Child. A Rudimentary and Practical Treatise on Music. London: Crosby Locwood, 1881.
Citatione MLA (9a ed.)Spencer, Charles Child. A Rudimentary and Practical Treatise on Music. Crosby Locwood, 1881.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.