Madjelis Ilmu Pengetahuan Indonesia
Madjelis Ilmu Pengetahuan Indonesia, 1959
Buku Referensi
Russell, Richard Joel, author
May, 1960
Buku Teks
by Dorothy Elhart [and others]
Mosby , 1978
Buku Teks
Barnes, Barry, author
Routledge & K. Paul, 1974
Buku Teks
Urwick, Lyndall F., author
Issac Pitman, 1957
Buku Teks