Heaton, J. B. Writing English language tests: A pracgtical guide for teachers of english as asecond or foreign language (Ed.2.).
Chicago-стиль цитированияHeaton, J B. Writing English Language Tests: A Pracgtical Guide for Teachers of English as Asecond or Foreign Language. Ed.2. England, ELBS Longman.
MLA-цитированиеHeaton, J B. Writing English Language Tests: A Pracgtical Guide for Teachers of English as Asecond or Foreign Language. Ed.2.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.