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University of Southern Maine
Libraries & Learning

PSY 220: Psychology of the Life Span: Background Reading

Why use a reference book?

Reference sources are invaluable for defining key concepts, providing brief overviews of a subject, and identifying major theories and research developments. They can provide you with the background you need to select and develop a topic of research, or help you explore internship or career opportunities.

Reference Sources - Print

Reference sources are useful tools to obtain background information and to develop a vocabulary of possible search terms. The following items are available from the USM Libraries & other UMaine System Libraries.  See the box at right for reference books available online.

Reference Sources - Online