Environment Conservation Journal | Action for Sustainable Efficacious Development and Awareness. Cambridge University Press.
Chicago-viite (17. p.)Environment Conservation Journal | Action for Sustainable Efficacious Development and Awareness. Cambridge University Press.
MLA-viite (8. p.)Environment Conservation Journal | Action for Sustainable Efficacious Development and Awareness. Cambridge University Press.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.