Cita APA

Lindsey, B. A., Heron, P. R. L., & Shaffer, P. S. Student understanding of energy: Difficulties related to systems.

Citación estilo Chicago

Lindsey, Beth A., Paula R. L. Heron, y Peter S. Shaffer. Student Understanding of Energy: Difficulties Related to Systems.

Cita MLA

Lindsey, Beth A., Paula R. L. Heron, y Peter S. Shaffer. Student Understanding of Energy: Difficulties Related to Systems.