Hayward, Susan. «Genre/Sub-genre». A: Cinema Studies: The Key Concepts (en anglès). 3. Londres: Routledge, 1996, p. 185-192. ISBN 9781134208920 [Consulta: 29 maig 2020]. «As a term genre goes back to earliest cinema and was seen as a way of organizing films according to type. But it was not until the late 1960s that genre was introduced as a key concept into Anglo-Saxon film theory [...].»
