Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. (2014). Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS.
Chicago-referens (17:e uppl.)Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS, 2014.
MLA-referens (9:e uppl.)Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.