Citazione Stile APA (7a Edizione)

(1987). Environmental studies: Pupil's book; primary curriculum development project (2. reprint.). Ed. de l'Océan Indien.

Citazione stile Chigago Style (17a edizione)

Environmental Studies: Pupil's Book; Primary Curriculum Development Project. 2. reprint. [S.l.]: Ed. de l'Océan Indien, 1987.

Citatione MLA (9a ed.)

Environmental Studies: Pupil's Book; Primary Curriculum Development Project. 2. reprint. Ed. de l'Océan Indien, 1987.