MMWR:
"Advisory Committee on Immunization Practices (ACIP) Recommended Immunization Schedules for Persons Aged 0 Through 18 years and Adults Aged 19 Years and Older — United States, 2013"

CDC /ACIP

http://www.cdc.gov/mmwr/preview/mmwrhtml/su6201a1.htm?s_cid=su6201a1_w#PlacingSchedulesWebsite