Holtmaat, R.
Inleiding vrouw en recht / R. Holtmaat and T. Loenen
H.D. Tjeenk Willink, 1989
Buku Teks
Duffus, R.L
The American renaissance / R. L. Duffus
Alfred A. Knopf, 1928
Buku Teks SO
Pence, R.W.
A grammar of present-day English / R. W. Pence
Macmillan, 1950
Buku Teks
Kirk, Franklyn W.
Instrumentation / Franklyn W. Kirk, Nicholas R. Rimboi
American Technical Society, 1975
Buku Teks SO
Utilizing R and D by-products / Editor: Jerome, W. Blood
American Management Association , 1967
Buku Teks SO