APA-referens (7:e uppl.)

Sparke, P. (2020). Concert Prelude: Grade 4, medium / Philip Sparke. G & M Brand Publ..

Chicago-referens (17:e uppl.)

Sparke, Philip. Concert Prelude: Grade 4, Medium / Philip Sparke. Wingrave, Aylesbury, Bucks, England: G & M Brand Publ., 2020.

MLA-referens (8:e uppl.)

Sparke, Philip. Concert Prelude: Grade 4, Medium / Philip Sparke. G & M Brand Publ., 2020.