APA (7e ed.) Bronvermelding

Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. (2014). Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS.

Chicago (17e ed.) Bronvermelding

Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS, 2014.

MLA (9e ed.) Bronvermelding

Fiona Baxter; Liz Dilley; Alan Cross; Jon Board. Cambridge Primary Science Stage 4 Learner's Book. CAMBRIDGE UNIVERSITY PRESS, 2014.