Dear lyndaD,
We have these three related documents:
http://wp-types.com/documentation/user-guides/creating-post-type-relationships/
http://wp-types.com/documentation/user-guides/many-to-many-post-relationship/
http://wp-types.com/faq/how-do-i-associate-one-child-with-several-parents-of-the-same-type/
You can check too these Discover site: http://discover-wp.com/site-types/workshop-wordpress-site/
Please let me know if you are satisfied with my answer and if I can help you with any other questions you might have.