Lowell Board of Trade, Marden, R. F., & Murphy, J. (1916). Digest of the city of Lowell and its surrounding towns, pub. August 1, 1916.
Chicago-referens (17:e uppl.)Lowell Board of Trade, Robert Fiske Marden, och John Murphy. Digest of the City of Lowell and Its Surrounding Towns, Pub. August 1, 1916. [Lowell, Mass.], 1916.
MLA-referens (8:e uppl.)Lowell Board of Trade, et al. Digest of the City of Lowell and Its Surrounding Towns, Pub. August 1, 1916. 1916.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.