Cita APA (7th ed.)

Richard Harwood; Ian Lodge. (2014). Cambridge IGCSE® Chemistry Workbook (Cambridge International IGCSE) (4.). CAMBRIDGE UNIVERSITY PRESS.

Cita Chicago (17th ed.)

Richard Harwood; Ian Lodge. Cambridge IGCSE® Chemistry Workbook (Cambridge International IGCSE). 4. CAMBRIDGE UNIVERSITY PRESS, 2014.

Cita MLA (9th ed.)

Richard Harwood; Ian Lodge. Cambridge IGCSE® Chemistry Workbook (Cambridge International IGCSE). 4. CAMBRIDGE UNIVERSITY PRESS, 2014.