Humpty Dumpty Magazine. Children's Better Health Institute.
芝加哥风格引文Humpty Dumpty Magazine. Children's Better Health Institute.
MLA引文Humpty Dumpty Magazine. Children's Better Health Institute.
警告：这些引文格式不一定是100％准确.
APA引文
Humpty Dumpty Magazine. Children's Better Health Institute.
芝加哥风格引文Humpty Dumpty Magazine. Children's Better Health Institute.
MLA引文Humpty Dumpty Magazine. Children's Better Health Institute.