Gaya APA

Skinner, G, D. (2025). Evironmental Management for Cambridge IGCSE and O Level (Coursebook) (Second Edition). United Kingdom: Cambridge University Press.

Gaya MLA

Skinner, Gary,, Dkk.. "Evironmental Management for Cambridge IGCSE and O Level (Coursebook)". Second Edition United Kingdom: Cambridge University Press, 2025. Text.