(1986). ESP in practice: Models and challenges for teachers. English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID.
Citação do estilo Chicago (17ª ed.)ESP in Practice: Models and Challenges for Teachers. Washington, D.C: English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID, 1986.
Citação MLA (9ª ed.)ESP in Practice: Models and Challenges for Teachers. English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID, 1986.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.