APA-referens (7:e uppl.)

Barton, E. M. (1875). History of the Worcester Choral Union: With a brief reference to choral societies preceding this organization.

Chicago-referens (17:e uppl.)

Barton, Edmund Mills. History of the Worcester Choral Union: With a Brief Reference to Choral Societies Preceding This Organization. Worcester, [Mass.] : Printed by the West & Lee, Game and Printing co, 1875.

MLA-referens (8:e uppl.)

Barton, Edmund Mills. History of the Worcester Choral Union: With a Brief Reference to Choral Societies Preceding This Organization. 1875.