Gaya APA
Briggs, Amy E.. (2017).
National Geographic History - May-June 2017 .
Washington, D.C.:
National Geographic Books.
Gaya Chicago
Briggs, Amy E..
National Geographic History - May-June 2017.
Washington, D.C.:
National Geographic Books,
2017.
e-book.
Gaya MLA
Briggs, Amy E..
National Geographic History - May-June 2017.
Washington, D.C.:
National Geographic Books,
2017.
e-book.
Gaya Turabian
Briggs, Amy E..
National Geographic History - May-June 2017.
Washington, D.C.:
National Geographic Books,
2017.
e-book.