Solzhenitsyn, Aleksandr I., author
Dell Publishing, 1968
Buku Teks
Kezia Hapsari Siswosoebrotho, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Skripsi (Membership)
Fisch, Michael J., author
McGraw-Hill, Medical, 2007
Buku Teks
Baird, Susan B., author
W.B Saunders , 1991
Buku Teks
Prescott, David M.
Sinauer associates, 1982
Buku Teks