Cita APA (7th ed.)

Sharp, J., & Byrne, J. (2007). Primary science : audit and test: Assessing your knowledge and understanding (3rd ed.). Learning Materials.

Cita Chicago (17th ed.)

Sharp, John, i Jenny Byrne. Primary Science : Audit and Test: Assessing Your Knowledge and Understanding. 3rd ed. Exeter: Learning Materials, 2007.

Cita MLA (9th ed.)

Sharp, John, i Jenny Byrne. Primary Science : Audit and Test: Assessing Your Knowledge and Understanding. 3rd ed. Learning Materials, 2007.