Style de citation APA (7e éd.)
Institution The Children's Friends. (1937). A Key to the heart of the children: A research about character & practical education in the U. S. of America and other countries. Die Kinderfreunde.
Style de citation Chicago (17e éd.)
Institution The Children's Friends. A Key to the Heart of the Children: A Research About Character & Practical Education in the U. S. of America and Other Countries. Amsterdam: Die Kinderfreunde, 1937.
Style de citation MLA (9e éd.)
Institution The Children's Friends. A Key to the Heart of the Children: A Research About Character & Practical Education in the U. S. of America and Other Countries. Die Kinderfreunde, 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.