Cita APA (7th ed.)

(1986). ESP in practice: Models and challenges for teachers. English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID.

Cita Chicago (17th ed.)

ESP in Practice: Models and Challenges for Teachers. Washington, D.C: English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID, 1986.

Cita MLA (9th ed.)

ESP in Practice: Models and Challenges for Teachers. English Language Programs Division, Bureau of Educational and Cultural Affairs, USAID, 1986.