Lester, James D.
Writing research papers: a complete guide / James D. Lester
Scott, Foresman and Company, 1971
 Buku Teks
Laster, James D
Writing research papers: a complete guide/James D Lester
Scott, Foresman and Company, 1984
 Buku Teks
Lester, James D.
Writing research papers: a complete guide / James D. Lester
Scott, Foresman and Company, 1987
 Buku Teks
Biech, Elaine
ASTD's Ultimate train the trainer : a complete guide to training success
ASTD press, 2009
 Buku Teks
Traccey, William R.
Managing training and development systems /by William R. Tracey
Amacom , 1974
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