Ziegler, Raymond J.
John Wiley & Sons, 1962
Buku Teks
Niece, E.H. Mac, author
John Wiley & Sons, 1961; 1957
Buku Teks
Rage, Louis J., author
Scranton, Penn., International Textbook
Buku Teks
by C. Canby Balderston ... [et al.]
Prentice-Hall, 1956
Buku Teks
Hasibuan, Cesar Petrus, author
2011
UI - Tesis (Open)