Watts, S. (2007). Children first: 150 years of the Missouri State Teachers Association. Donning Company Publishers.
Chicago-Zitierstil (17. Ausg.)Watts, Sandy. Children First: 150 Years of the Missouri State Teachers Association. Virginia Beach, VA: Donning Company Publishers, 2007.
MLA-Zitierstil (9. Ausg.)Watts, Sandy. Children First: 150 Years of the Missouri State Teachers Association. Donning Company Publishers, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.