Ask the Library: Reference

Harvard is pretty harsh about this. There are case where they have gone after violators of their use restrictions:

Harvard Business Review Notice of Use Restrictions, May 2009Harvard Business Review and Harvard Business Publishing Newsletter content on EBSCOhost is licensed for the private individual use of authorized EBSCOhost users. It is not intended for use as assigned course material in academic institutions nor as corporate learning or training materials in businesses. Academic licensees may not use this content in electronic reserves, electronic course packs, persistent linking from syllabi or by any other means of incorporating the content into course resources. Business licensees may not host this content on learning management systems or use persistent linking or other means to incorporate the content into learning management systems.Harvard Business Publishing will be pleased to grant permission to make this content available through such means. For rates and permission, contact permissions@harvardbusiness.org.

So according to this, you are not allowed to link to the articles in Business Source Complete from Moodle.