Mowrer, E. A. (1938). Germany puts the clock back: By Edgar Ansel Mowrer (Reprinted with further revision.). Penguin Books.
Chicago-Zitierstil (17. Ausg.)Mowrer, Edgar Ansel. Germany Puts the Clock Back: By Edgar Ansel Mowrer. Reprinted with further revision. Harmondsworth: Penguin Books, 1938.
MLA-Zitierstil (8. Ausg.)Mowrer, Edgar Ansel. Germany Puts the Clock Back: By Edgar Ansel Mowrer. Reprinted with further revision. Penguin Books, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.