Desmond Bagley, Flyaway보관됨 2015-05-21 - 웨이백 머신 (1978), p. 41: "I fell into a blind, mindless rhythm and a chant was created in my mind what the Germans call an 'earworm' something that goes round and round in your head and you can't get rid of it. One bloody foot before the next bloody foot."
Desmond Bagley, Flyaway보관됨 2015-05-21 - 웨이백 머신 (1978), p. 41: "I fell into a blind, mindless rhythm and a chant was created in my mind what the Germans call an 'earworm' something that goes round and round in your head and you can't get rid of it. One bloody foot before the next bloody foot."
Bennett, Sean (2002년 8월 30일). 《Musical Imagery Repetition》 (Master). Cambridge University. 2018년 1월 28일에 원본 문서에서 보존된 문서. 2022년 2월 15일에 확인함.