Gaya APA
Walker, Richard, Breretan, Catherine. (2003).
Genes and DNA .
Boston:
Kingfisher.
Gaya Chicago
Walker, Richard, Breretan, Catherine.
Genes and DNA.
Boston:
Kingfisher,
2003.
Text.
Gaya MLA
Walker, Richard, Breretan, Catherine.
Genes and DNA.
Boston:
Kingfisher,
2003.
Text.
Gaya Turabian
Walker, Richard, Breretan, Catherine.
Genes and DNA.
Boston:
Kingfisher,
2003.
Print.