APA Style
Kramer, Barbara. ().
National Geographic Kids Level 2 : Alexander Graham Bell .
Usa:
National Geographic.
Chicago Style
Kramer, Barbara.
National Geographic Kids Level 2 : Alexander Graham Bell.
Usa:
National Geographic,
.
Printed Book.
MLA Style
Kramer, Barbara.
National Geographic Kids Level 2 : Alexander Graham Bell.
Usa:
National Geographic,
.
Printed Book.
Turabian Style
Kramer, Barbara.
National Geographic Kids Level 2 : Alexander Graham Bell.
Usa:
National Geographic,
.
Printed Book.