Carlsen, G. Robert
Harper & Row, 1971
Buku Referensi
Akbar Prabowo Triyuwono, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
UI - Makalah dan Kertas Kerja
Coleman, Tina, author
[American Management Association, ], 2009
eBooks
Maria Octavia, author
2003
UI - Skripsi (Membership)
The Reader's Digest Association, 1953
Buku Teks