Petersen, L. C. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home.
Цитирование в стиле Чикаго (17-е изд.)Petersen, Louis Christian. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home.
Цитирование MLA (9-е изд.)Petersen, Louis Christian. Educational Toys Consisting Chiefly of Coping-Saw Problems for Children in School and the Home.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.