Vale, D. Picture grammar for children answer key. Topic-based grammar practice.
Цитирование в стиле Чикаго (17-е изд.)Vale, David. Picture Grammar for Children Answer Key. Topic-based Grammar Practice.
Цитирование MLA (8-е изд.)Vale, David. Picture Grammar for Children Answer Key. Topic-based Grammar Practice.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.