Gaya APA
David, Leonard. (2016).
Mars: Our Future on the Red Planet .
Washington, D.C.:
National Geographic.
Gaya Chicago
David, Leonard.
Mars: Our Future on the Red Planet.
Washington, D.C.:
National Geographic,
2016.
Referensi.
Gaya MLA
David, Leonard.
Mars: Our Future on the Red Planet.
Washington, D.C.:
National Geographic,
2016.
Referensi.
Gaya Turabian
David, Leonard.
Mars: Our Future on the Red Planet.
Washington, D.C.:
National Geographic,
2016.
Referensi.