Gaya APA
How Things Are Made. (1981).
Washington:
National Geographic Society.
Gaya Chicago
How Things Are Made.
.
Washington:
National Geographic Society,
1981.
Printed Book.
Gaya MLA
How Things Are Made.
.
Washington:
National Geographic Society,
1981.
Printed Book.
Gaya Turabian
How Things Are Made.
Washington:
National Geographic Society,
1981.
Printed Book.