Use 'refer to' when you suggest someone looks at a specific resource for information. For the experiment procedures, refer to page 15 in your textbook.
Pro Tip 2/3
Clarify Uncertainty
'Refer to' can indicate where to find answers when you're unsure about something. When in doubt about word meanings, refer to a reliable dictionary.
Pro Tip 3/3
Supportive Source
It suggests using another text or material to support or understand the current discussion. Refer to the graph on slide 10 for a breakdown of the data.