Lichfield, Nathaniel, author
Pergamon Press, 1975
Buku Teks
Maria Laksmi Indriyastuti, author
2015
UI - Tugas Akhir
edited by Harold Leitenberg
Plenum Press, 1990
Buku Referensi
Danistya Smara Putri, author
Fakultas Ekonomi Bisnis Universitas Indonesia, 2021
UI - Tugas Akhir
Valle-Riestra, J. Frank
New York: McGraw-Hill, 1983
Buku Teks