Yusi Riana
2016
UI - Skripsi (Membership)
Freeman, Frank S.
Holt, Rinehart and Winston, 1960
Buku Teks
Pattywael, Maria Angelin
Universitas Indonesia, 2015
UI - Skripsi (Membership)
Hulin, Charles L.
Dow Jones-Irwin, 1983
Buku Teks
Teo, Thomas
Springer, 2005
Buku Teks