P. Barrett (Barrett, P.)

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  Effects of Pest Control on Forest Invertebrates in Tongariro National Park: Preliminary Results
  by M. Potter, I. Stringer, M. Wakelin, P. Barrett, D. Hedderley
  Hardcover, New Zealand Government - Department of Conservation, ISBN 0478140568 (0-478-14056-8)
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  Practice Management: New Perspectives For The Construction Professional
  by Roderick Males, P. Barrett
  Hardcover, Spon Pr, ISBN 0419171509 (0-419-17150-9)