In order to complete the 4-H member's exhibit reference lists need to indicate:
Where information was obtained
Give credit to the original author
Reference lists should/might include
web site links
people and professionals interviewed
books, magazines, etc.
It is recommended this reference list be attached to the back of a poster or display board, be the last page of the notebook, or included as part of the display visible to the public. A judge is not to discredit an exhibit for the manner in which references are listed.
See the link below for a pre-printed reference card.