APA-referens (7:e uppl.)

Babbitt, M., Babbitt, M., Wummer, J., Drucker, S., Marsh, P., McCall, D., . . . Bavicchi, J. (1960). Composition for four instruments (1948) ; Composition for viola and piano (1950). Composers Recordings CRI 138.

Chicago-referens (17:e uppl.)

Babbitt, Milton, Milton Babbitt, John Wummer, Stanley Drucker, Peter Marsh, Donald McCall, Alvin Bauman, Walter Trampler, och John Bavicchi. Composition for Four Instruments (1948) ; Composition for Viola and Piano (1950). s.l: Composers Recordings CRI 138, 1960.

MLA-referens (9:e uppl.)

Babbitt, Milton, et al. Composition for Four Instruments (1948) ; Composition for Viola and Piano (1950). Composers Recordings CRI 138, 1960.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.