To add a reference manually:
1. Go the 'All References' section of RefWorks
2. Select the ' + Add ' sign on the top bar
3. Select 'Create new reference'
4. Select the source type (journal article, book, report etc.) you want to reference using the 'Ref Type' drop down
5. Fill in the fields with the information about your source (Title, Authors etc.) You only need to fill in the fields that are required in your referencing style
6. Select 'Save' in the top right corner to save your reference.