APA-Zitierstil (7. Ausg.)

Marzano, R. J., & Heflebower, T. (2012). Teaching and assessing 21st century skills. Marzano Research Laboratory.

Chicago-Zitierstil (17. Ausg.)

Marzano, Robert J., und Tammy Heflebower. Teaching and Assessing 21st Century Skills. Bloomington, IN: Marzano Research Laboratory, 2012.

MLA-Zitierstil (9. Ausg.)

Marzano, Robert J., und Tammy Heflebower. Teaching and Assessing 21st Century Skills. Marzano Research Laboratory, 2012.