Bibliografia

Principal

• Sue Robbins (2012) Collins COBUILD Business Vocabulary in Practice Glasgow: Harper Collins
• Ann Henshall (ed) (2025) A consumer society dinsponível no Fénix
• Ann Henshall (ed) (2025) The oil industry disponível no Fénix

Secundária

• Ann Henshall (2025) Grammar file 1 disponível no Fénix