La Forge, F. (1940). Now upon the first day of the week: Sacred song for voice and piano or organ. G. Schirmer.
Chicago-viite (17. p.)La Forge, Frank. Now upon the First Day of the Week: Sacred Song for Voice and Piano or Organ. New York: G. Schirmer, 1940.
MLA-viite (9. p.)La Forge, Frank. Now upon the First Day of the Week: Sacred Song for Voice and Piano or Organ. G. Schirmer, 1940.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.