APA-Zitierstil (7. Ausg.)

Poppe, C. A., & Van Matre, N. A. (1985). Science learning centers for the primary grades. Center for Applied Research in Education.

Chicago-Zitierstil (17. Ausg.)

Poppe, Carol A., und Nancy A. Van Matre. Science Learning Centers for the Primary Grades. West Nyack, N.Y: Center for Applied Research in Education, 1985.

MLA-Zitierstil (9. Ausg.)

Poppe, Carol A., und Nancy A. Van Matre. Science Learning Centers for the Primary Grades. Center for Applied Research in Education, 1985.