FOWLER, J. (1996). Statistic For Ornithologists By Jim Fowler And Louis Cohen; Foreword: Raymond J. O'conor. British Trust.
Chicago-viite (17. p.)FOWLER, Jim. Statistic For Ornithologists By Jim Fowler And Louis Cohen; Foreword: Raymond J. O'conor. British Trust, 1996.
MLA-viite (8. p.)FOWLER, Jim. Statistic For Ornithologists By Jim Fowler And Louis Cohen; Foreword: Raymond J. O'conor. British Trust, 1996.
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