Cita APA (7th ed.)

Martin, D. J., & Janke, D. (1997). Elementary science methods: A constructivist approach. Delmar Publishers.

Cita Chicago (17th ed.)

Martin, David Jerner, i Delmar Janke. Elementary Science Methods: A Constructivist Approach. Albany: Delmar Publishers, 1997.

Cita MLA (9th ed.)

Martin, David Jerner, i Delmar Janke. Elementary Science Methods: A Constructivist Approach. Delmar Publishers, 1997.