Gaya APA
Peterson, Roger Tory. (1979).
Penguins .
Boston:
A Mariner Book.
Gaya Chicago
Peterson, Roger Tory.
Penguins.
Boston:
A Mariner Book,
1979.
Text Book.
Gaya MLA
Peterson, Roger Tory.
Penguins.
Boston:
A Mariner Book,
1979.
Text Book.
Gaya Turabian
Peterson, Roger Tory.
Penguins.
Boston:
A Mariner Book,
1979.
Text Book.