Current Health Teens. Weekly Reader Corporation.
Chicago Style (17. basım) AtıfCurrent Health Teens. Weekly Reader Corporation.
MLA (9th ed.) AtıfCurrent Health Teens. Weekly Reader Corporation.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
Current Health Teens. Weekly Reader Corporation.
Chicago Style (17. basım) AtıfCurrent Health Teens. Weekly Reader Corporation.
MLA (9th ed.) AtıfCurrent Health Teens. Weekly Reader Corporation.