Cita APA (7th ed.)

Carlton, K., & Parkinson, E. (1994). Physical sciences: A primary teacher's guide. Cassell.

Cita Chicago (17th ed.)

Carlton, Kevin, i Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. London ; New York: Cassell, 1994.

Cita MLA (8th ed.)

Carlton, Kevin, i Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. Cassell, 1994.