Peterson, Jim
Count down: the past, present and uncertain future of the big four accounting firms
Emerald, 2017
 eBooks
Early air pioneers
James F. underman
F. Watts, 1961
 Buku Teks SO
Shapping the accountancy profession : the story of three scottish pioneers/ edited by T. A. Lee
Garland Publishing, Inc, 1996
 Buku Teks SO
Portraits of pioneers in psychology
edited by Gregory A. Kimble, Michael Wertheimer, Charlotte White
American Psychological Association, 1991
 Buku Teks SO
Cramer, John
Pioneers, politics and people
Allen & Unwin, 1989
 Buku Teks