Hamp-Lyons, L., & Heasley, B. (1987). Study writing: A course in written English for academic and professional purposes. Cambridge University Press.
Цитирование в стиле Чикаго (17-е изд.)Hamp-Lyons, Liz, и Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge Cambridgeshire: Cambridge University Press, 1987.
Цитирование MLA (9-е изд.)Hamp-Lyons, Liz, и Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge University Press, 1987.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.