Some books in the collection:
Use the Library Catalogue to find relevant books and videos in the collection.
Find more search help here.
Look for the clues:
Clue 1: Specialised publisher in the field: For example, a university press.
Clue 2: Reputable author/creator: Look for the authors' qualifications.
Clue 3: Includes cited references and a bibliography.
For more help watch the short Library video: Scholarly sources explained (2 mins 45 secs).