Cita APA (7th ed.)

Holderness, A., & Lambert, J. (1987). A new certificate chemistry (6th ed.). Heinemann Educational..

Cita Chicago (17th ed.)

Holderness, A., i John Lambert. A New Certificate Chemistry. 6th ed. Oxford: Heinemann Educational., 1987.

Cita MLA (9th ed.)

Holderness, A., i John Lambert. A New Certificate Chemistry. 6th ed. Heinemann Educational., 1987.