APA (7e ed.) Bronvermelding

Howe, A. C., & Nichols, S. E. (2001). Case studies in elementary science: Learning from teachers. Merrill/Prentice Hall.

Chicago (17e ed.) Bronvermelding

Howe, Ann C., en Sharon E. Nichols. Case Studies in Elementary Science: Learning from Teachers. Upper Saddle River, N.J: Merrill/Prentice Hall, 2001.

MLA (9e ed.) Bronvermelding

Howe, Ann C., en Sharon E. Nichols. Case Studies in Elementary Science: Learning from Teachers. Merrill/Prentice Hall, 2001.