Gaya APA
McPherson, Stephanie Sammartino. (2002).
Jonas Salk: conquering polio .
:
Lerner Publications Company.
Gaya Chicago
McPherson, Stephanie Sammartino.
Jonas Salk: conquering polio.
:
Lerner Publications Company,
2002.
Text.
Gaya MLA
McPherson, Stephanie Sammartino.
Jonas Salk: conquering polio.
:
Lerner Publications Company,
2002.
Text.
Gaya Turabian
McPherson, Stephanie Sammartino.
Jonas Salk: conquering polio.
:
Lerner Publications Company,
2002.
Print.