Kirkpatrick, B. (2007). How to ask questions. Singapore: Learners publishing.
Chicago-стиль цитированияKirkpatrick, Betty. How to Ask Questions. Singapore: Learners publishing, 2007.
MLA-цитированиеKirkpatrick, Betty. How to Ask Questions. Singapore: Learners publishing, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.