What if your sources do not support automatic exporting? 

Here are the steps to manually create a new reference:

1. Click on the 'Add new' button. Choose the 'Add reference manually' option (as screenshot below).

2. Choose the Reference type:

Select the appropriate Reference type from the available drop-down options (e.g., Journal Article, Book, Website).

3. Complete the fields:

Carefully fill in the required fields for the selected document type. This typically includes:

• Title
• Author(s)
• Publication year
• Journal/Book title (if applicable)
• Volume/Issue (if applicable)
• Pages (if applicable)
• DOI (if available)
• URL (if available)
• Any other relevant information.

4. Select 'Add entry' to add the reference into your Mendeley library.