Gaya APA
Offit, Paul A, Bell, Louis M. (1999).
Vaccines: What Every Parent Should Know Revised Edition .
USA:
Wiley Publishing.
Gaya Chicago
Offit, Paul A, Bell, Louis M.
Vaccines: What Every Parent Should Know Revised Edition.
USA:
Wiley Publishing,
1999.
Text.
Gaya MLA
Offit, Paul A, Bell, Louis M.
Vaccines: What Every Parent Should Know Revised Edition.
USA:
Wiley Publishing,
1999.
Text.
Gaya Turabian
Offit, Paul A, Bell, Louis M.
Vaccines: What Every Parent Should Know Revised Edition.
USA:
Wiley Publishing,
1999.
Print.