Gaya APA
Tortell, Philippe. (2020).
Earth 2020:An Insider’s Guide to a Rapidly Changing Planet .
Cambrige, UK:
Open Book Publishers.
Gaya Chicago
Tortell, Philippe.
Earth 2020:An Insider’s Guide to a Rapidly Changing Planet.
Cambrige, UK:
Open Book Publishers,
2020.
Ebook.
Gaya MLA
Tortell, Philippe.
Earth 2020:An Insider’s Guide to a Rapidly Changing Planet.
Cambrige, UK:
Open Book Publishers,
2020.
Ebook.
Gaya Turabian
Tortell, Philippe.
Earth 2020:An Insider’s Guide to a Rapidly Changing Planet.
Cambrige, UK:
Open Book Publishers,
2020.
Ebook.