Edmister, Robert O.
McGraw-Hill , 1986
Buku Teks
Edmister, Robert O.
McGraw-Hill, 1980
Buku Teks
edited by John W. Kensinger
Emerald, 2016
eBooks
Kiyosaki, Robert T., 1947-, author
Gramedia Pustaka Utama, 2003
Buku Teks
Robert C. Arffa
John Wiley & Sons, 2001
Buku Teks