APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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