Tervooren, Eduard Pieter Marie
Martinus Nijhoff, 1957
Buku Teks
Herber, Bernard P., author
Richard D. Irwin, Inc, 1971
Buku Teks
Sharp, Ansel M.
Illinois Dorsey Press , 1964
Buku Teks
M. Gusti Bustami, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi (Membership)
editor, Yuli Indrawati
Mujahid Press, 2014
Buku Teks