APA-Zitierstil (7. Ausg.)

(1987). Environmental studies: Pupils' workbook; [primary curriculum development project] (3. reprint.). Ed. de l'Océan Indien.

Chicago-Zitierstil (17. Ausg.)

Environmental Studies: Pupils' Workbook; [primary Curriculum Development Project]. 3. reprint. [S.l.]: Ed. de l'Océan Indien, 1987.

MLA-Zitierstil (9. Ausg.)

Environmental Studies: Pupils' Workbook; [primary Curriculum Development Project]. 3. reprint. Ed. de l'Océan Indien, 1987.