Gaya APA
McPHERSON, Stephanie Sammartino. (2002).
Jonas Salk: Conquering Polio .
USA:
Lerner Publications Company.
Gaya Chicago
McPHERSON, Stephanie Sammartino.
Jonas Salk: Conquering Polio.
USA:
Lerner Publications Company,
2002.
.
Gaya MLA
McPHERSON, Stephanie Sammartino.
Jonas Salk: Conquering Polio.
USA:
Lerner Publications Company,
2002.
.
Gaya Turabian
McPHERSON, Stephanie Sammartino.
Jonas Salk: Conquering Polio.
USA:
Lerner Publications Company,
2002.
.