APA-referens (7:e uppl.)

Bannan, N. Harmony and its role in human evolution: Nicholas Bannan. Music, language, and human evolution.(2012).

Chicago-referens (17:e uppl.)

Bannan, Nicholas. "Harmony and Its Role in Human Evolution: Nicholas Bannan." Music, Language, and Human Evolution.(2012) .

MLA-referens (8:e uppl.)

Bannan, Nicholas. "Harmony and Its Role in Human Evolution: Nicholas Bannan." Music, Language, and Human Evolution.(2012), .