APA-viite (7. p.)

Denham, C., & Lieberman, A. (1980). Time to learn. U.S. Department of education.

Chicago-viite (17. p.)

Denham, Carolyn, ja Ann Lieberman. Time to Learn. California: U.S. Department of education, 1980.

MLA-viite (9. p.)

Denham, Carolyn, ja Ann Lieberman. Time to Learn. U.S. Department of education, 1980.