Gaya APA
Cobb, Nancy J. (2001).
The Child : Infants and Children .
Amerika:
Mayfield Publishing Company.
Gaya Chicago
Cobb, Nancy J.
The Child : Infants and Children.
Amerika:
Mayfield Publishing Company,
2001.
Buku.
Gaya MLA
Cobb, Nancy J.
The Child : Infants and Children.
Amerika:
Mayfield Publishing Company,
2001.
Buku.
Gaya Turabian
Cobb, Nancy J.
The Child : Infants and Children.
Amerika:
Mayfield Publishing Company,
2001.
Buku.