Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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