Cita APA (7th ed.)

Schmit, A., & Pollard, J. (2017). WJEC GCSE chemistry. Hodder Education, an Hachette UK Company.

Cita Chicago (17th ed.)

Schmit, Adrian, i Jeremy Pollard. WJEC GCSE Chemistry. London, UNITED KINGDOM: Hodder Education, an Hachette UK Company, 2017.

Cita MLA (9th ed.)

Schmit, Adrian, i Jeremy Pollard. WJEC GCSE Chemistry. Hodder Education, an Hachette UK Company, 2017.