Impey, G., & Underhill, N. (1994). The ELT manager's handbook: Practical advice on managing a successful language school. Heinemann English Language Teaching.
Citação do estilo Chicago (17ª ed.)Impey, Graham, e Nic Underhill. The ELT Manager's Handbook: Practical Advice on Managing a Successful Language School. Oxford: Heinemann English Language Teaching, 1994.
Citação MLA (8ª ed.)Impey, Graham, e Nic Underhill. The ELT Manager's Handbook: Practical Advice on Managing a Successful Language School. Heinemann English Language Teaching, 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.