Gaya APA
Penn, Julie. (2010).
Oxford Read and Discover 4 : All About Plants .
:
Oxford University Press.
Gaya Chicago
Penn, Julie.
Oxford Read and Discover 4 : All About Plants.
:
Oxford University Press,
2010.
Text.
Gaya MLA
Penn, Julie.
Oxford Read and Discover 4 : All About Plants.
:
Oxford University Press,
2010.
Text.
Gaya Turabian
Penn, Julie.
Oxford Read and Discover 4 : All About Plants.
:
Oxford University Press,
2010.
Print.