APA-Zitierstil (7. Ausg.)

Boyer, E. L. (1992). Cornerstones for a new century: Teacher preparation, early childhood education, a national education index (1. print.). NEA Professional Library, National Education Association.

Chicago-Zitierstil (17. Ausg.)

Boyer, Ernest L. Cornerstones for a New Century: Teacher Preparation, Early Childhood Education, a National Education Index. 1. print. Washington, D.C: NEA Professional Library, National Education Association, 1992.

MLA-Zitierstil (9. Ausg.)

Boyer, Ernest L. Cornerstones for a New Century: Teacher Preparation, Early Childhood Education, a National Education Index. 1. print. NEA Professional Library, National Education Association, 1992.