Παραπομπή σε μορφή APA (7η εκδ.)

HAMP-LYONS, L., & HEASLEY, B. (1987). Study writing: A course in written english for academic and professional purposes. Cambridge university press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

HAMP-LYONS, LIZ, και BEN HEASLEY. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge: Cambridge university press, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

HAMP-LYONS, LIZ, και BEN HEASLEY. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge university press, 1987.