APA-referens (7:e uppl.)

Gamble, C. When the words dry up: Music and material metaphors half a million years ago / Clive Gamble. Music, language, and human evolution.(2012).

Chicago-referens (17:e uppl.)

Gamble, Clive. "When the Words Dry Up: Music and Material Metaphors Half a Million Years Ago / Clive Gamble." Music, Language, and Human Evolution.(2012) .

MLA-referens (8:e uppl.)

Gamble, Clive. "When the Words Dry Up: Music and Material Metaphors Half a Million Years Ago / Clive Gamble." Music, Language, and Human Evolution.(2012), .